Perhaps you should try some spelling variations:
chau triet » cau triet, cua triet, chau tuyet
cau trieu » cac trieu, cau triet, chua trieu
ban hanh » ban hang
hanh lai » hanh lam, hanh tai, thanh lap
so sach » so sanh, bo sach, co sach
cao hoi » cau hoi, co hoi, cao hoc
duc ban » duc tan, duc van, dua ban
y nang » ky nang, ly nang, v nang
va cai » va bai, va dai, va cao

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 cao hoi. lieu ((va cai) or (va cac)) duc ban hanh lai ((chau triet) or (cau trieu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach y nang cao hoi. lieu ((va cai) OR (va cac)) duc ban hanh lai ((chau triet) OR (cau trieu)).
• Adding a wildcard symbol may retrieve word variants: so sach y nang cao hoi. lieu ((va cai) or (va cac)) duc ban hanh lai ((chau triet) or (cau trieu))*.