Perhaps you should try some spelling variations:
doanh doanh » toan doanh, doanh hoan, doanh thanh
nhung cong » dung cong, thong cong, hang cong
cong hoang » cong hoan, thong hoang, vuong hoang
hieu xanh » chieu xanh, hieu nganh, dieu hanh
hieu manh » chieu xanh, hieu nganh, dieu hanh
doanh cua » doanh luan
cua nhung » va nhung
hoang van » hang va

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc ((hieu xanh) or (hieu manh)) - doanh doanh cua nhung cong hoang van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc ((hieu xanh) OR (hieu manh)) - doanh doanh cua nhung cong hoang van ban.
• Adding a wildcard symbol may retrieve word variants: doc ((hieu xanh) or (hieu manh)) - doanh doanh cua nhung cong hoang van ban*.