Perhaps you should try some spelling variations:
van triet » va triet, van thiet, van trieu
thanh vu » thanh va, thanh ve, thanh tu
cao hoi » cau hoi, co hoi, cao hoc
thi van » thi lan, thi hanh, thi nang
luc van » luoc van, luu van, luc va
duc van » duc va, duc tan, duc manh
te sac » te sach, te cac
te san » te ban, ke san, tu san
vu van » tu van

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