Perhaps you should try some spelling variations:
thien van » thi van
van thanh » van tuan
ban thanh » ban hanh, ban hang
cua triet » cua viet, su triet, va triet
hang cau » hang dau, hang ca, nhung cau
ky hang » ky nang, ly hang, ky dang
nam luc » nang luc, nhan luc, nam thuc
te san » te ban, ke san, tu san
san ky » sang ky, van ky, dan 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 san ky hang cau hoi. thien van nam luc ((van thanh) or (ban thanh)) vi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te san ky hang cau hoi. thien van nam luc ((van thanh) OR (ban thanh)) vi cua triet.
• Adding a wildcard symbol may retrieve word variants: te san ky hang cau hoi. thien van nam luc ((van thanh) or (ban thanh)) vi cua triet*.