Perhaps you should try some spelling variations:
chau triet » cau triet, cua triet, cau trieu
hieu van » hieu va, thien van, lieu va
lam duoc » nam duoc, luat duoc, lam thuoc
duoc van » duoc va, duc van, duoc ban
van hanh » van thanh, ban hanh, van anh
hanh lai » hanh lam, hanh tai, thanh lap
tu sach » thu sach, su sach, tu cach
te sach » toc sach
cao hoi » cau hoi, cao hoc, tao hoi
van lam » van nam
co hoi » co hoc, co loi

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 (te sach)) ky nang ((cao hoi) or (co hoi)). hieu van lam duoc van hanh lai chau triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (te sach)) ky nang ((cao hoi) OR (co hoi)). hieu van lam duoc van hanh lai chau triet.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (te sach)) ky nang ((cao hoi) or (co hoi)). hieu van lam duoc van hanh lai chau triet*.