Perhaps you should try some spelling variations:
thien van » thi van
nam thuc » nam thuoc, am thuc, nam thu
thanh ve » hanh ve, thanh va, thanh vien
thanh ha » thanh hoa, thanh hai, nhanh ha
cao hoi » cau hoi, co hoi, cao hoc
nam luc » nang luc, nhan luc, nam duoc
te sac » te sach, te cac, te san
sac ky » cac ky, sai ky

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 ky nang cao hoi. thien van ((nam luc) or (nam thuc)) van ((thanh ve) or (thanh ha)) hoa viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sac ky nang cao hoi. thien van ((nam luc) OR (nam thuc)) van ((thanh ve) OR (thanh ha)) hoa viet.
• Adding a wildcard symbol may retrieve word variants: te sac ky nang cao hoi. thien van ((nam luc) or (nam thuc)) van ((thanh ve) or (thanh ha)) hoa viet*.