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 ve » hanh ve, thanh va, thanh vien
nam thuc » nam thuoc, am thuc, nam thu
nam luc » nang luc, nhan luc, nam duoc
cao hoi » cau hoi, co hoi, cao hoc
te sach » toc sach
ve cua » le cua, de cua, te cua
te sac » te cac, te san

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((te sac) or (te sach)) ky nang cao hoi. thien van ((nam luc) OR (nam thuc)) van thanh ve cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sac) OR (te sach)) ky nang cao hoi. thien van ((nam luc) OR (nam thuc)) van thanh ve cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((te sac) or (te sach)) ky nang cao hoi. thien van ((nam luc) OR (nam thuc)) van thanh ve cua triet".
• Adding a wildcard symbol may retrieve word variants: ((te sac) or (te sach)) ky nang cao hoi. thien van ((nam luc) OR (nam thuc)) van thanh ve cua triet*.