Perhaps you should try some spelling variations:
doanh doanh » toan doanh, doanh hoan, doanh thanh
hieu nganh » vien nganh, hiem ngan, hieu manh
canh doanh » hanh doanh, chinh doanh, kinh doanh
dung cong » dung trong
doc hieu » toc thieu, hoc thieu, hoc hien
cua dung » cua dang, cua dong, qua dung
cong dan » cong san, cong tan, huong dan
than tap » toan tap, han tap, than cap
phan tap » phan lap, han tap, pha tap

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 nganh - ((canh doanh) OR (doanh doanh)) cua dung cong dan ((than tap) or (phan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu nganh - ((canh doanh) OR (doanh doanh)) cua dung cong dan ((than tap) OR (phan tap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc hieu nganh - ((canh doanh) OR (doanh doanh)) cua dung cong dan ((than tap) or (phan tap))".
• Adding a wildcard symbol may retrieve word variants: doc hieu nganh - ((canh doanh) OR (doanh doanh)) cua dung cong dan ((than tap) or (phan tap))*.