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