Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thien van » thi van
van thanh » ban thanh, van tuan
thanh vi » hanh vi, thanh va, thanh ve
nam thuc » nam thuoc, am thuc, nam thu
nam luc » nang luc, nhan luc, nam duoc
cao hoi » cau hoi, co hoi, tao hoi
cao hoc » co hoc, cho hoc, chat hoc
san ky » sang ky, van ky, dan ky
vi cua » vai cua, di cua
ke san » ke dan

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

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