Perhaps you should try some spelling variations:
hanh doanh » hang doanh, chinh doanh, doanh doanh
hien sang » hien trang, khien bang, chieu sang
doanh cua » doanh luan
cua tong » cua cong, cua dong, cua nong
cong dan » cong tan, cong dong, cong tac
cong san » cong tac
than ban » thanh ban, toan ban, than man

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien sang - hanh doanh cua tong ((((cong dan) or (huong dan))) or (cong san)) than ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien sang - hanh doanh cua tong ((((cong dan) OR (huong dan))) OR (cong san)) than ban.
• Adding a wildcard symbol may retrieve word variants: hoc hien sang - hanh doanh cua tong ((((cong dan) or (huong dan))) or (cong san)) than ban*.