Perhaps you should try some spelling variations:
kho tang » cao tang
cua tre » cua te, cuu tre, cua triet
sai kho » dai kho, tai khoa, dai khoa
danh de » hanh de, dan de, dang de
ve cham » va cham, ve chat, vu cham
hieu ve » hieu va, hieu van
van hoe » van hoa, van hoc, van hieu
van hoi » van hoa, van hoc, van loi
xac va » tac va, ac va, bac va
luc va » duc va, tuc va, loc va
de cua » le cua, te cua, dieu cua
vu sai » vu hai, vu san, vu dai

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

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