Perhaps you should try some spelling variations:
thien van » thi van
cua triet » cua viet, su triet, va triet
thanh vi » thanh va, thanh ve, nhanh vi
cao hoi » cau hoi, co hoi, cao hoc
luc van » luoc van, duc van, luc va
luu van » cuu van, luan van, luu hanh
te san » te ban, ke san, tu san
san ky » sang ky, van ky, dan 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 san ky nang cao hoi. thien van nam ((luc van) OR (luu van)) ((thanh vi) or (hanh vi)) cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te san ky nang cao hoi. thien van nam ((luc van) OR (luu van)) ((thanh vi) OR (hanh vi)) cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te san ky nang cao hoi. thien van nam ((luc van) OR (luu van)) ((thanh vi) or (hanh vi)) cua triet".
• Adding a wildcard symbol may retrieve word variants: te san ky nang cao hoi. thien van nam ((luc van) OR (luu van)) ((thanh vi) or (hanh vi)) cua triet*.