Perhaps you should try some spelling variations:
thien van » thi van
cua triet » cua viet, su triet, va triet
nang cho » nang chon, ngang cho, sang cho
thanh vi » thanh va, thanh ve, nhanh vi
nam luc » nang luc, nhan luc, nam thuc
luc van » luoc van, luu van, duc van
te sac » te sach, te cac, te san
sac ky » cac ky, sai ky

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 cho) OR (nang cao)) hoc. thien van nam luc van ((thanh vi) or (hanh vi)) cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sac ky ((nang cho) OR (nang cao)) hoc. thien van nam luc van ((thanh vi) OR (hanh vi)) cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sac ky ((nang cho) OR (nang cao)) hoc. thien van nam luc van ((thanh vi) or (hanh vi)) cua triet".
• Adding a wildcard symbol may retrieve word variants: te sac ky ((nang cho) OR (nang cao)) hoc. thien van nam luc van ((thanh vi) or (hanh vi)) cua triet*.