Perhaps you should try some spelling variations:
hanh doanh » hang doanh, chinh doanh, doanh doanh
thanh chau » thanh cha, thanh cham, thanh chu
chau tinh » cuu tinh, ha tinh, cua tinh
doanh cua » doanh luan
hoc chau » hoc chat, moc chau, hoc cau
cua dang » cua cong, cua ban
cong ban » cong bang, cong tan, cong dan
cong san » cong tac

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chau tinh - hanh doanh cua dang ((cong ban) OR (cong san)) thanh chau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chau tinh - hanh doanh cua dang ((cong ban) OR (cong san)) thanh chau".
• Adding a wildcard symbol may retrieve word variants: hoc chau tinh - hanh doanh cua dang ((cong ban) OR (cong san)) thanh chau*.