Perhaps you should try some spelling variations:
hieu nganh » vien nganh, hiem ngan, nghiep nganh
hanh doanh » hang doanh, chinh doanh, doanh doanh
hieu manh » chieu xanh, dieu hanh, hien hanh
doanh cua » doanh luan
cua dung » cua dang, cua dong, qua dung
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc ((hieu manh) or (hieu nganh)) - hanh doanh cua dung ((cong dan) OR (cong tan)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((hieu manh) OR (hieu nganh)) - hanh doanh cua dung ((cong dan) OR (cong tan)) toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc ((hieu manh) or (hieu nganh)) - hanh doanh cua dung ((cong dan) OR (cong tan)) toan cao".
• Adding a wildcard symbol may retrieve word variants: toc ((hieu manh) or (hieu nganh)) - hanh doanh cua dung ((cong dan) OR (cong tan)) toan cao*.