Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thien van » thi van
thanh ve » thanh va, thanh vien, thanh van
nang doc » nang luc
hanh ve » hanh vi, hanh va, hanh kem
luc van » luoc van, luu van, duc van
nam luc » nang luc, nhan luc, nam thuc
nang co » nang cao, nang noi, nang hoc
sac ky » cac ky, sai ky
te sac » te sach, te cac, te san

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 doc)) hoi. thien van nam luc van ((thanh ve) OR (hanh ve)) cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sac ky ((nang co) OR (nang doc)) hoi. thien van nam luc van ((thanh ve) OR (hanh ve)) cua triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sac ky ((nang co) or (nang doc)) hoi. thien van nam luc van ((thanh ve) OR (hanh ve)) cua triet*".