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
cong nong » cong dong, cong trong, cong luong
cong cong » cong dong, trong cong, dung cong
son phan » so phan, bon phan, san phan
mon phan » bon phan, mon nhan, mon phai
ho hieu » ho chieu, hoi hieu, nho hieu

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

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