Perhaps you should try some spelling variations:
thanh vai » thanh hai, thanh van, thanh tai
cau treo » cau theo, cau tren, cau triet
hieu van » hieu va, thien van, lieu va
dua ban » dia ban, cua ban, mua ban
vai cau » va cau, vai cac, lai chau
qua ban » cua ban, qua quan
te sach » toc sach
sach ky » sac ky, sach y, sach ty
van cau » van dau, van hau, van chat
ma hoi » mai hoi, xa hoi, me hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ky nang ((ma hoi) or (ma hoa)). hieu van cau ((dua ban) or (qua ban)) thanh vai cau treo~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky nang ((ma hoi) OR (ma hoa)). hieu van cau ((dua ban) OR (qua ban)) thanh vai cau treo.
• Adding a wildcard symbol may retrieve word variants: te sach ky nang ((ma hoi) or (ma hoa)). hieu van cau ((dua ban) or (qua ban)) thanh vai cau treo*.