diff --git a/application/libraries/Datatables.php b/application/libraries/Datatables.php
index c6de11f..9f7fc06 100644
--- a/application/libraries/Datatables.php
+++ b/application/libraries/Datatables.php
@@ -324,16 +324,28 @@ private function get_filtering()
       $sSearch = $this->ci->db->escape_like_str(trim($search['value']));
       $columns = array_values(array_diff($this->columns, $this->unset_columns));
 
-      if($sSearch != '')
-        for($i = 0; $i < count($mColArray); $i++)
+      if($sSearch != ''){
+        for($i = 0; $i < count($mColArray); $i++){
           if ($mColArray[$i]['searchable'] == 'true' && !array_key_exists($mColArray[$i]['data'], $this->add_columns))
             if($this->check_cType())
               $sWhere .= $this->select[$mColArray[$i]['data']] . " LIKE '%" . $sSearch . "%' OR ";
             else
               $sWhere .= $this->select[$this->columns[$i]] . " LIKE '%" . $sSearch . "%' OR ";
-
-
-      $sWhere = substr_replace($sWhere, '', -3);
+        }
+        $sWhere = substr_replace($sWhere, '', -3);
+      }
+      else{
+        for($i = 0; $i < count($mColArray); $i++){
+          if ($mColArray[$i]['searchable'] == 'true' && !array_key_exists($mColArray[$i]['data'], $this->add_columns) && $mColArray[$i]['search']['value']!=''){
+	    $sSearch = $this->ci->db->escape_like_str(trim($mColArray[$i]['search']['value']));
+            if($this->check_cType())
+              $sWhere .= $this->select[$mColArray[$i]['data']] . " LIKE '%" . $sSearch . "%' AND ";
+            else
+              $sWhere .= $this->select[$this->columns[$i]] . " LIKE '%" . $sSearch . "%' AND ";
+          }
+        }
+        $sWhere = substr_replace($sWhere, '', -4);
+      }
 
       if($sWhere != '')
         $this->ci->db->where('(' . $sWhere . ')');