Perhaps you should try some spelling variations:
hieu nganh » vien nganh, hiem ngan, hieu manh
canh doanh » hanh doanh, chinh doanh, doanh doanh
nhan nhung » nhien nhung, tham nhung, gian nhung
nhung cong » dung cong, thong cong, hang cong
hoc hieu » hoc thieu, hoc hien, doc hieu
cong dan » cong san, cong tan, huong dan
chan dau » han dau, chan doan, chuan dao
phan dau » hang dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hieu nganh - canh doanh nhan nhung cong dan ((chan dau) or (((phan dau) OR (phan tu))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hieu nganh - canh doanh nhan nhung cong dan ((chan dau) OR (((phan dau) OR (phan tu)))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hieu nganh - canh doanh nhan nhung cong dan ((chan dau) or (((phan dau) OR (phan tu))))".
• Adding a wildcard symbol may retrieve word variants: hoc hieu nganh - canh doanh nhan nhung cong dan ((chan dau) or (((phan dau) OR (phan tu))))*.