Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thien van » thi van
luc van » luoc van, luu van, duc van
quan vi » quan li, quan tri, quan doi
tuan vi » luan vi, quans vi, tuan tai
nam luc » nang luc, nhan luc, nam thuc
cao hoc » co hoc, cho hoc, chat hoc
dan ky » van ky
te dan » te danh, tre dan, ke dan

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: te dan ky nang ((cau hoi) or (cao hoc)). thien van nam luc van ((tuan vi) or (quan vi)) cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te dan ky nang ((cau hoi) OR (cao hoc)). thien van nam luc van ((tuan vi) OR (quan vi)) cua triet.
• Adding a wildcard symbol may retrieve word variants: te dan ky nang ((cau hoi) or (cao hoc)). thien van nam luc van ((tuan vi) or (quan vi)) cua triet*.