Perhaps you should try some spelling variations:
chau triet » cau triet, cua triet, chau tuyet
cau trieu » cac trieu, cau triet, chua trieu
van hanh » van thanh, ban hanh, van anh
hanh lai » hanh lam, hanh tai, thanh lap
so sach » so sanh, bo sach, co sach
nang co » nang cao, nang doc, nang noi
duc van » duc va, duc tan, duc manh
y nang » ky nang, ly nang, v nang
co hoi » co hoc, co loi
va cam » va cham, va cao, va cai

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sach y nang co hoi. lieu ((va cam) or (va cac)) duc van hanh lai ((chau triet) or (cau trieu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach y nang co hoi. lieu ((va cam) OR (va cac)) duc van hanh lai ((chau triet) OR (cau trieu)).
• Adding a wildcard symbol may retrieve word variants: so sach y nang co hoi. lieu ((va cam) or (va cac)) duc van hanh lai ((chau triet) or (cau trieu))*.