Perhaps you should try some spelling variations:
hanh doanh » hang doanh, chinh doanh, doanh doanh
hieu xanh » chieu xanh, hieu manh, hieu nganh
doanh cua » doanh luan
cua nhung » va nhung
doc hieu » toc thieu, hoc thieu, hoc hien
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh

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 - hanh doanh cua nhung ((cong dan) OR (cong tan)) van ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc hieu xanh - hanh doanh cua nhung ((cong dan) OR (cong tan)) van ban".
• Adding a wildcard symbol may retrieve word variants: doc hieu xanh - hanh doanh cua nhung ((cong dan) OR (cong tan)) van ban*.