Perhaps you should try some spelling variations:
chau triet » cau triet, cua triet, chau tuyet
cau trieu » cac trieu, cau triet, chua trieu
nang chat » nang phat, nang cham, nang cao
ban hang » ngan hang
chat hoc » chat hoa, chat thom, cho hoc
hang lap » sang lap, hang la, hang tap
bo sach » co sach, hoc sach
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: bo sach y nang chat hoc. lieu ((va cai) or (va cac)) duc ban hang lap ((chau triet) or (cau trieu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: bo sach y nang chat hoc. lieu ((va cai) OR (va cac)) duc ban hang lap ((chau triet) OR (cau trieu)).
• Adding a wildcard symbol may retrieve word variants: bo sach y nang chat hoc. lieu ((va cai) or (va cac)) duc ban hang lap ((chau triet) or (cau trieu))*.