Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
danh dau » lanh dao, hang dau, danh tu
thu ban » thu hang
ky tang » ky nang, ky dang, kho tang
tang xa » trang xa, tang ma, lang xa
nam luc » nhan luc, nam thuc, nam duoc
va danh » va dinh, va dan, va hanh
dau cau » mau cau, dat cau, da cau
cau tre » cau tren, cau treo, cau tra
ban ky » van ky, dan ky

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu ban ky tang xa hoi. hieu van ((nam luc) or (nang luc)) va danh dau cau tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu ban ky tang xa hoi. hieu van ((nam luc) OR (nang luc)) va danh dau cau tre.
• Adding a wildcard symbol may retrieve word variants: thu ban ky tang xa hoi. hieu van ((nam luc) or (nang luc)) va danh dau cau tre*.