syntax error: select * from sanpham where anHien = '1' and idDM = '135' or idDM in (select idDM from danhmuc where cap1 = 135) or idDM in (select idDM from danhmuc where dmCha = 135) or idDM in (select idDM from danhmuc where dmCha in (select idDM from danhmuc where cap1 = 135)) order by vitri, idSP DESC limit -100,100