Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
cua triet » cua viet, su triet, va triet
nang van » dang van, tang van, lang van
tam thuc » tham thuc, am thuc, nam thuc
thanh vi » hanh vi, thanh va, thanh ve
van hoe » van hoa, van hoc, van hieu
hieu ve » hieu va, hieu van
dam tu » nam tu, cam tu, tam tu
vi cua » vai cua, di cua

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

• If you are trying to use Boolean operators, they must be ALL CAPS: tu cac ky nang van hoe. hieu ve ((dam tu) OR (tam thuc)) ban thanh vi cua triet~.
• Adding a wildcard symbol may retrieve word variants: tu cac ky nang van hoe. hieu ve ((dam tu) or (tam thuc)) ban thanh vi cua triet*.