Perhaps you should try some spelling variations:
trong thuat » trong hoat, trong phat, trong thuc
chong cong » cong cong, thong cong, cuong cong
thanh chau » thanh cha, thanh cham, thanh chu
tieu sach » chieu sach, dien sach, te sach
trong thu » trong nha
ban thanh » ban hanh, ban hang
cong ban » cong bang, cong san, cong tan

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu sach - canh ((trong thuat) or (trong thu)) chong cong ban thanh chau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu sach - canh ((trong thuat) OR (trong thu)) chong cong ban thanh chau.
• Adding a wildcard symbol may retrieve word variants: theo tieu sach - canh ((trong thuat) or (trong thu)) chong cong ban thanh chau*.