Perhaps you should try some spelling variations:
nhieu tang » chieu sang, nhiet nang
rong doanh » trong doanh, dung doanh, rong thanh
dong doanh » dung doanh, trong doanh, doanh doanh
hieu lang » chieu sang, hieu quang, hieu van
chinh cua » chinh ca, chinh sua, hinh cua
cua dang » cua cong, cua ban
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoi ((nhieu tang) or (hieu lang)) - hanh chinh cua dang ((rong doanh) OR (dong doanh)) toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoi ((nhieu tang) OR (hieu lang)) - hanh chinh cua dang ((rong doanh) OR (dong doanh)) toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoi ((nhieu tang) or (hieu lang)) - hanh chinh cua dang ((rong doanh) OR (dong doanh)) toan tap".
• Adding a wildcard symbol may retrieve word variants: hoi ((nhieu tang) or (hieu lang)) - hanh chinh cua dang ((rong doanh) OR (dong doanh)) toan tap*.