Perhaps you should try some spelling variations:
thien van » thi van
van thanh » ban thanh, van tuan
cua triet » cua viet, su triet, va triet
thanh di » thanh doi, thanh de, thanh do
nang co » nang cao, nang doc, nang noi
nam luc » nhan luc, nam thuc, nam duoc
luc van » luoc van, luu van, duc van
te sac » te sach, te cac, te san
sac ky » cac ky, sai ky
di cua » dai cua, doi cua, de 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 ((nang co) or (nang luc)) hoi. thien van nam luc van thanh di cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sac ky ((nang co) OR (nang luc)) hoi. thien van nam luc van thanh di cua triet.
• Adding a wildcard symbol may retrieve word variants: te sac ky ((nang co) or (nang luc)) hoi. thien van nam luc van thanh di cua triet*.