diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb
index 92aba61..164ca6a 100644
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@@ -169,6 +169,11 @@ class ApplicationController < ActionController::Base
     fallback_find_by_contents(asset, scope, query, paginate_options, options)
   end
 
+  def find_suggestions(asset, query, options={})
+    plugins.dispatch_first(:find_suggestions, asset, query, options) ||
+    fallback_find_suggestions(asset, query, options)
+  end
+
   private
 
   def fallback_find_by_contents(asset, scope, query, paginate_options, options)
@@ -177,4 +182,7 @@ class ApplicationController < ActionController::Base
     {:results => scope.paginate(paginate_options)}
   end
 
+  def fallback_find_suggestions(asset, query, options)
+    #TODO Implement fallback suggestions solution
+  end
 end
diff --git a/app/controllers/public/search_controller.rb b/app/controllers/public/search_controller.rb
index eae18f7..c4ab956 100644
--- a/app/controllers/public/search_controller.rb
+++ b/app/controllers/public/search_controller.rb
@@ -4,11 +4,11 @@ class SearchController < PublicController
   include SearchHelper
   include ActionView::Helpers::NumberHelper
 
-  before_filter :redirect_asset_param, :except => :assets
-  before_filter :load_category
-  before_filter :load_search_assets
-  before_filter :load_query
-  before_filter :load_filter
+  before_filter :redirect_asset_param, :except => [:assets, :suggestions]
+  before_filter :load_category, :except => :suggestions
+  before_filter :load_search_assets, :except => :suggestions
+  before_filter :load_query, :except => :suggestions
+  before_filter :load_filter, :except => :suggestions
 
   # Backwards compatibility with old URLs
   def redirect_asset_param
@@ -143,6 +143,10 @@ class SearchController < PublicController
     render :partial => 'events/events'
   end
 
+  def suggestions
+    render :text => find_suggestions(params[:term], environment, params[:asset]).to_json
+  end
+
   #######################################################
   protected
 
diff --git a/app/helpers/application_helper.rb b/app/helpers/application_helper.rb
index 9524548..604277c 100644
--- a/app/helpers/application_helper.rb
+++ b/app/helpers/application_helper.rb
@@ -1402,4 +1402,8 @@ module ApplicationHelper
     content_tag('ul', article.versions.map {|v| link_to("r#{v.version}", @page.url.merge(:version => v.version))})
   end
 
+  def search_input_with_suggestions(name, asset, default, options = {})
+    text_field_tag name, default, options.merge({:id => 'search-input', 'data-asset' => asset})
+  end
+
 end
diff --git a/app/views/search/_search_form.html.erb b/app/views/search/_search_form.html.erb
index 07cc38b..d044381 100644
--- a/app/views/search/_search_form.html.erb
+++ b/app/views/search/_search_form.html.erb
@@ -8,7 +8,7 @@
 
     <div class="search-field">
       <span class="formfield">
-        <%= text_field_tag 'query', @query, :id => 'search-input', :size => 50 %>
+        <%= search_input_with_suggestions('query', @asset, @query, {:size => 50}) %>
         <%= javascript_tag "jQuery('#search-input').attr('title', \"#{hint}\").hint()" if defined?(hint) %>
       </span>
 
diff --git a/lib/noosfero/plugin.rb b/lib/noosfero/plugin.rb
index a3608de..9e56689 100644
--- a/lib/noosfero/plugin.rb
+++ b/lib/noosfero/plugin.rb
@@ -507,6 +507,17 @@ class Noosfero::Plugin
   def find_by_contents(asset, scope, query, paginate_options={}, options={})
   end
 
+  # -> Suggests terms based on asset and query
+  # returns = [a, b, c, ...]
+  def find_suggestions(query, context, asset, options={:limit => 5})
+    context.search_terms.
+      where(:asset => asset).
+      where("search_terms.term like ?", "#{query}%").
+      where('search_terms.score > 0').
+      order('search_terms.score DESC').
+      limit(options[:limit]).map(&:term)
+  end
+
   # -> Adds aditional fields for change_password
   # returns = [{:field => 'field1', :name => 'field 1 name', :model => 'person'}, {...}]
   def change_password_fields
diff --git a/public/javascripts/application.js b/public/javascripts/application.js
index fe80a0a..34283dc 100644
--- a/public/javascripts/application.js
+++ b/public/javascripts/application.js
@@ -1101,4 +1101,24 @@ jQuery(document).ready(function(){
   jQuery("#article_has_terms_of_use").click(function(){
     showHideTermsOfUse();
   });
+
+  // Suggestions on search inputs
+  (function($) {
+    var suggestions_cache = {};
+    $("#search-input").autocomplete({
+      minLength: 2,
+      source: function(request, response) {
+        var term = request.term;
+        if (term in suggestions_cache) {
+          response(suggestions_cache[term]);
+          return;
+        }
+        request["asset"] = $("#search-input").data("asset");
+        $.getJSON("/search/suggestions", request, function(data, status, xhr) {
+          suggestions_cache[term] = data;
+          response(data);
+        });
+      }
+    });
+  })(jQuery);
 });
--
libgit2 0.21.2