diff --git a/lib/active_admin/mongoid/document.rb b/lib/active_admin/mongoid/document.rb
index f9eda40..5b4f6a4 100644
--- a/lib/active_admin/mongoid/document.rb
+++ b/lib/active_admin/mongoid/document.rb
@@ -5,14 +5,6 @@ module ActiveAdmin::Mongoid::Document
   extend ActiveSupport::Concern
 
 
-  # INSTANCE METHODS
-
-  # Returns the column object for the named attribute.
-  def column_for_attribute(name)
-    self.class.columns_hash[name.to_s]
-  end
-
-
 
 
   # PROXY CLASSES
@@ -45,6 +37,8 @@ def quote_column_name name
   # CLASS METHODS
 
   included do
+    include MetaSearch::Searches::Mongoid
+
     unless respond_to? :primary_key
       class << self
         attr_accessor :primary_key
@@ -60,11 +54,11 @@ module ClassMethods
     # Metasearch
 
     def joins_values *args
-      scoped
+      criteria
     end
 
-    def group_by *args
-      scoped
+    def group_by *args, &block
+      criteria
     end
 
     def ransack *args
@@ -119,8 +113,12 @@ def columns_hash
 
 
 
-    def reorder *args
-      scoped
+    def reorder sorting
+      return unscoped if sorting.blank?
+      options = sorting.split(/ |\./)
+      options.shift if options.count == 3
+      field, order = *options
+      unscoped.order_by(field => order)
     end
 
     def connection
diff --git a/lib/meta_search/searches/mongoid.rb b/lib/meta_search/searches/mongoid.rb
index a03e433..7e659b7 100644
--- a/lib/meta_search/searches/mongoid.rb
+++ b/lib/meta_search/searches/mongoid.rb
@@ -22,17 +22,17 @@ def build
           when :does_not_equal, :ne, :not_eq
             @relation = relation.where(field.to_sym.ne => value)
           when :contains, :like, :matches
-            @relation = relation.where(field => /#{value}/)
+            @relation = relation.where(field => /#{value}/i)
           when :does_not_contain, :nlike, :not_matches
-            @relation = relation.where(field.to_sym.not => /#{value}/)
+            @relation = relation.where(field.to_sym.not => /#{value}/i)
           when :starts_with, :sw
-            @relation = relation.where(field.to_sym => /\A#{Regexp.quote(value)}/)
+            @relation = relation.where(field.to_sym => /\A#{Regexp.quote(value)}/i)
           when :does_not_start_with, :dnsw
-            @relation = relation.where(field.to_sym.not => /\A#{Regexp.quote(value)}/)
+            @relation = relation.where(field.to_sym.not => /\A#{Regexp.quote(value)}/i)
           when :ends_with, :ew
-            @relation = relation.where(field.to_sym => /#{Regexp.quote(value)}\z/)
+            @relation = relation.where(field.to_sym => /#{Regexp.quote(value)}\z/i)
           when :does_not_end_with, :dnew
-            @relation = relation.where(field.to_sym.not => /#{Regexp.quote(value)}\z/)
+            @relation = relation.where(field.to_sym.not => /#{Regexp.quote(value)}\z/i)
           when :greater_than, :gt
             @relation = relation.where(field.to_sym.gt => value)
           when :less_than, :lt
@@ -92,9 +92,7 @@ def method_missing name, *args, &block
       end
 
       def metasearch_regexp
-        # field_names = klass.content_columns.map(&:name)
         field_names = klass.fields.map(&:second).map(&:name)
-
         conditions = MetaSearch::DEFAULT_WHERES.map {|condition| condition[0...-1]} # pop tail options
 
         /\A(#{field_names.join('|')})_(#{conditions.join('|')})\z/
@@ -109,10 +107,7 @@ module ClassMethods
         def metasearch(params = nil, options = nil)
           options ||= {}
           params  ||= {}
-          MongoidSearchBuilder.new(self, params, options).build
-          # @metasearch_query
-          # raise [params, options].inspect unless [options, params].all?(&:empty?)
-          # scoped
+          MongoidSearchBuilder.new(criteria, params, options).build
         end
         alias_method :search, :metasearch unless respond_to?(:search)
       end