Perhaps you should try some spelling variations:
thien van » thi van
thanh vai » thanh hai, thanh van, thanh tai
cua triet » cua viet, su triet, va triet
te sang » te bang, te hang, te san
sang ky » sang kyo, dang ky, tang ky
luc van » luoc van, duc van, luc va
luu van » cuu van, luan van, luu hanh
vai cua » dai cua, hai cua, lai cua
co hoi » co hoc, co loi

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