Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
cua triet » cua viet, su triet, va triet
nam thuc » nam thuoc, am thuc, nam thu
thanh vi » hanh vi, thanh va, thanh ve
nang co » nang cao, nang doc, nang noi
thi van » thi lan, thi hanh, thi nang
nam luc » nang luc, nhan luc, nam duoc
sac ky » sai ky
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 ((sac ky) or (cac ky)) nang co hoc. thi van ((nam luc) or (nam thuc)) van thanh vi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((sac ky) OR (cac ky)) nang co hoc. thi van ((nam luc) OR (nam thuc)) van thanh vi cua triet.
• Adding a wildcard symbol may retrieve word variants: te ((sac ky) or (cac ky)) nang co hoc. thi van ((nam luc) or (nam thuc)) van thanh vi cua triet*.