Perhaps you should try some spelling variations:
hanh doanh » hang doanh, chinh doanh, doanh doanh
hieu lang » chieu sang, hieu quang, nhieu tang
doanh cua » doanh luan
cua bang » chua bang, cua ban, cua dang
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
toan ban » van ban
tinh » trinh, dinh, minh

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((trieu tinh) or (hieu lang)) - hanh doanh cua bang ((cong dan) OR (cong tan)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((trieu tinh) OR (hieu lang)) - hanh doanh cua bang ((cong dan) OR (cong tan)) toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((trieu tinh) or (hieu lang)) - hanh doanh cua bang ((cong dan) OR (cong tan)) toan ban".
• Adding a wildcard symbol may retrieve word variants: hoc ((trieu tinh) or (hieu lang)) - hanh doanh cua bang ((cong dan) OR (cong tan)) toan ban*.