Perhaps you should try some spelling variations:
thien van » thi van
cham luc » nhan luc, cham cuu, chat lua
hanh lai » hanh lam, hanh tai, thanh lap
su triet » su viet, su tien, ve triet
tu cach » tu cac
su sach » so sach, vu sach
cao hoi » cau hoi, co hoi, cao hoc
va hanh » van hanh, va thanh, va danh

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu cach) or (su sach)) ky nang cao hoi. thien van ((cham luc) OR (cham soc)) va hanh lai su triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu cach) OR (su sach)) ky nang cao hoi. thien van ((cham luc) OR (cham soc)) va hanh lai su triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu cach) or (su sach)) ky nang cao hoi. thien van ((cham luc) OR (cham soc)) va hanh lai su triet".
• Adding a wildcard symbol may retrieve word variants: ((tu cach) or (su sach)) ky nang cao hoi. thien van ((cham luc) OR (cham soc)) va hanh lai su triet*.