c.andCondition(" (description like \"%"+key+"%\" or name like \"%"+key+"%\" or seller_name like \"%"+key+"%\" or seller_address like \"%"+key+"%\" )");
c.andCondition(" (description like \"%"+key+"%\" or name like \"%"+key
+"%\" or seller_name like \"%"+key+"%\" or seller_address like \"%"+key+"%\" )");