Perhaps you should try some spelling variations:
cau triet » cau trieu, su triet, cua triet
nhan luc » nang luc
cham luc » cham soc, cham cuu, chat lua
thu sach » thuat sach, thuoc sach, thu hoach
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
va hanh » van hanh, va thanh, va danh
hanh va » hang va, hanh vi
tu sach » su sach, te sach, tu cach
va cau » van cau, va cac, va dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu sach) or (thu sach)) ky lang xa hoi. lieu va ((cham luc) OR (nhan luc)) va hanh va cau triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (thu sach)) ky lang xa hoi. lieu va ((cham luc) OR (nhan luc)) va hanh va cau triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) or (thu sach)) ky lang xa hoi. lieu va ((cham luc) OR (nhan luc)) va hanh va cau triet*".