Perhaps you should try some spelling variations:
thien van » thi van
van thanh » ban thanh, van tuan
thanh vai » thanh hai, thanh van, thanh tai
va triet » va trien, ve triet, cua triet
te sang » te bang, te hang, te san
sang ky » sang kyo, dang ky, tang ky
cao hoi » cau hoi, co hoi, cao hoc
nam luc » nang luc, nhan luc, nam thuc
luc van » luoc van, luu van, duc van
co loi » co hoi
thiet » thieu

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

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