Perhaps you should try some spelling variations:
chau triet » cau triet, cua triet, chau tuyet
cau trieu » cac trieu, cau triet, chua trieu
nhan luc » nang luc
hanh lai » hanh lam, hanh tai, thanh lap
va hanh » van hanh, va thanh, va danh
su sach » so sach, vu sach
hieu vu » hieu va, hieu ve, hieu su
lang xa » lang ha, dang xay, lang van
nang ma » tang ma, sang ma, nang cao
vu nhan » cu nhan, vu ngan, tu nhan
luc va » duc va, tuc va, loc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach y ((nang ma) or (lang xa)) hoi. hieu vu nhan luc va hanh lai ((chau triet) OR (cau trieu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach y ((nang ma) OR (lang xa)) hoi. hieu vu nhan luc va hanh lai ((chau triet) OR (cau trieu))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach y ((nang ma) or (lang xa)) hoi. hieu vu nhan luc va hanh lai ((chau triet) OR (cau trieu))*".