syntax error: select ten_vi as ten,thumb,tenkhongdau,gia,giakm,id_list, photo,id_nhacc from  table_product where hienthi=1 and ( id_list='' or id_nhacc='' or find_in_set(,id_list_sub) or find_in_set(,id_nhacc_sub) ) order by stt, id desc  limit 0,32