Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
thanh gia » thanh gian, thanh giang, thanh nghia
phan duc » pham duc, phan tu, phan dau
toc sach » hoc sach, doc sach, thuoc sach
cuc tre » duc tre, cua tre, cuc thue
duc van » duc va, duc tan, duc manh
ve phan » va phan, ke phan, ve phat
hieu ve » hieu va, hieu van
nang ma » tang ma, sang ma, nang cao
cuu tre » cua tre, cau tren, cau treo
ma hoi » mai hoi, xa hoi, ma hoa

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (toc sach)) ky nang ma hoi. hieu ve phan duc van thanh gia ((cuc tre) OR (cuu tre))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((te sach) or (toc sach)) ky nang ma hoi. hieu ve phan duc van thanh gia ((cuc tre) OR (cuu tre))~".
• Adding a wildcard symbol may retrieve word variants: ((te sach) or (toc sach)) ky nang ma hoi. hieu ve phan duc van thanh gia ((cuc tre) OR (cuu tre))*.