Perhaps you should try some spelling variations:
thien van » thi van
cua triet » cua viet, su triet, va triet
luoc van » luoc can, luoc va, luc van
thanh vi » hanh vi, thanh va, thanh ve
cao hoi » cau hoi, co hoi, cao hoc
luu van » cuu van, luan van, luu hanh
te san » te ban, ke san, tu san
san ky » sang ky, van ky, dan ky
co loi » co hoi
vi cua » vai cua, di cua

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) or (co loi)). thien van nam ((luu van) or (luoc van)) thanh vi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te san ky nang ((cao hoi) OR (co loi)). thien van nam ((luu van) OR (luoc van)) thanh vi cua triet.
• Adding a wildcard symbol may retrieve word variants: te san ky nang ((cao hoi) or (co loi)). thien van nam ((luu van) or (luoc van)) thanh vi cua triet*.