Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
cua triet » cua viet, su triet, va triet
thanh vi » hanh vi, thanh va, thanh ve
cao hoi » cau hoi, co hoi, cao hoc
thi van » thi lan, thi hanh, thi nang
nam luc » nang luc, nhan luc, nam thuc
luc van » luoc van, luu van, duc van
te sai » te tai, te bai, te hai
te lai » te tai, te bai
vi cua » vai cua, di cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((te sai) or (te lai)) ky nang cao hoi. ((thien van) or (thi van)) nam luc van thanh vi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sai) OR (te lai)) ky nang cao hoi. ((thien van) OR (thi van)) nam luc van thanh vi cua triet.
• Adding a wildcard symbol may retrieve word variants: ((te sai) or (te lai)) ky nang cao hoi. ((thien van) or (thi van)) nam luc van thanh vi cua triet*.