Perhaps you should try some spelling variations:
thien van » thi van
thanh vai » thanh hai, thanh van, thanh tai
va triet » va thiet, va trien, ve triet
te sach » toc sach
nang co » nang cao, nang doc, nang noi
luc van » luoc van, luu van, duc van
te sac » te cac, te san
co hoi » co hoc, co loi
vai va » mai va, dai va, hai va

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 co hoi. thien van nam ((luc van) or (duc va)) thanh vai va triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sac) OR (te sach)) ky nang co hoi. thien van nam ((luc van) OR (duc va)) thanh vai va triet.
• Adding a wildcard symbol may retrieve word variants: ((te sac) or (te sach)) ky nang co hoi. thien van nam ((luc van) or (duc va)) thanh vai va triet*.