Perhaps you should try some spelling variations:
thien van » thi van
su triet » su viet, su tien, ve triet
te sach » toc sach
sach ky » sac ky, sach y, sach ty
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
nam luc » nhan luc, nam thuc, nam duoc
hanh ve » hanh va, hanh kem

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ky lang xa hoi. thien van ((nam luc) OR (nang luc)) va ((hanh ve) or (hanh vi)) su triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky lang xa hoi. thien van ((nam luc) OR (nang luc)) va ((hanh ve) OR (hanh vi)) su triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky lang xa hoi. thien van ((nam luc) OR (nang luc)) va ((hanh ve) or (hanh vi)) su triet*".