Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
van cham » van chat, van tham, va cham
thanh vi » hanh vi, thanh va, thanh ve
truc va » thuc va, thuc vat, trung va
luc va » duc va, tuc va, loc va
vi cua » vai cua, di cua
cua te » cua tu
5 hoi » o hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu cac ky nang ((5 hoi) or (x ho)). hieu van cham ((luc va) or (truc va)) thanh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cac ky nang ((5 hoi) OR (x ho)). hieu van cham ((luc va) OR (truc va)) thanh vi cua te.
• Adding a wildcard symbol may retrieve word variants: tu cac ky nang ((5 hoi) or (x ho)). hieu van cham ((luc va) or (truc va)) thanh vi cua te*.