Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
cham tuc » nham thuc, pham thuc, tham thuc
tang van » dang van, hoang van, trong van
te sach » toc sach
hai cuc » tai cuc, hai cua, thai cua
va cham » va chat, va tham
hieu va » lieu va, hieu qua
nang ma » tang ma, sang ma, nang cao
cuc tre » duc tre, cua tre, cuu tre

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 y ((nang ma) or (tang van)) hoi. hieu va cham tuc ((ban thanh) or (gia thanh)) hai cuc tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y ((nang ma) OR (tang van)) hoi. hieu va cham tuc ((ban thanh) OR (gia thanh)) hai cuc tre.
• Adding a wildcard symbol may retrieve word variants: te sach y ((nang ma) or (tang van)) hoi. hieu va cham tuc ((ban thanh) or (gia thanh)) hai cuc tre*.