Perhaps you should try some spelling variations:
doanh hoan » doanh doanh, doanh khoa, doanh nhan
nhung cong » dung cong, thong cong, hang cong
cua nhung » va nhung
doc hieu » toc thieu, hoc thieu
hoan cua » hoa cua, toan cua, han cua
cong dan » cong san, cong tan, huong dan
dan van » dang van, doan van, dao van

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) or (hoc hien)) xanh - doanh hoan cua nhung cong dan van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doc hieu) OR (hoc hien)) xanh - doanh hoan cua nhung cong dan van ban.
• Adding a wildcard symbol may retrieve word variants: ((doc hieu) or (hoc hien)) xanh - doanh hoan cua nhung cong dan van ban*.