Perhaps you should try some spelling variations:
thanh trung » thanh tung
dong doanh » dung doanh, trong doanh, doanh doanh
doanh phan » doanh nhan, doan phan, doanh thanh
tieu sach » chieu sach, dien sach, te sach
cua dung » cua dong, qua dung, cua rung
cua dang » cua cong, cua ban
phan cau » phan dau, phan cac, phan tu

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 - thanh trung ((cua dung) or (cua dang)) dong doanh phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu sach - thanh trung ((cua dung) OR (cua dang)) dong doanh phan cau.
• Adding a wildcard symbol may retrieve word variants: theo tieu sach - thanh trung ((cua dung) or (cua dang)) dong doanh phan cau*.