Perhaps you should try some spelling variations:
vu sang » vua sang, vu dang, vu san
sang ky » sang kyo, dang ky, tang ky
danh de » hanh de, dan de, dang de
ve cham » va cham, ve chat, vu cham
hieu ve » hieu va, hieu van
van hoi » van hoc, van hoe, van loi
ky tang » ky nang, ky dang, kho tang
cua tre » cua te, cuu tre, cua triet
luc va » tuc va, loc va
de cua » le cua, te cua, dieu cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu sang ky tang ((van hoi) or (van hoa)). hieu ve cham ((duc va) or (luc va)) danh de cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sang ky tang ((van hoi) OR (van hoa)). hieu ve cham ((duc va) OR (luc va)) danh de cua tre.
• Adding a wildcard symbol may retrieve word variants: vu sang ky tang ((van hoi) or (van hoa)). hieu ve cham ((duc va) or (luc va)) danh de cua tre*.