Perhaps you should try some spelling variations:
kho tang » cao tang
hieu ve » hieu va, hieu van
danh le » dinh le, manh le, anh le
cua tre » cua te, cuu tre, cua triet
vu san » va san, vu ban
ve cam » ve cham, ve cac, va cam
xuc va » duc va, tuc va, xac va
luc va » duc va, tuc va, loc va
le cua » ly 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 san ((kho tang) or (ky nang)) van hoa. hieu ve cam ((xuc va) or (luc va)) danh le cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu san ((kho tang) OR (ky nang)) van hoa. hieu ve cam ((xuc va) OR (luc va)) danh le cua tre.
• Adding a wildcard symbol may retrieve word variants: vu san ((kho tang) or (ky nang)) van hoa. hieu ve cam ((xuc va) or (luc va)) danh le cua tre*.