Perhaps you should try some spelling variations:
kho tang » cao tang
hieu van » hieu va, thien van, lieu va
danh dau » lanh dao, hang dau, danh tu
cau tren » cu tren, dau tren, ca tren
thu ban » thu hang
ban kho » ban khi, ban pho, lan kho
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

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