Perhaps you should try some spelling variations:
hieu nganh » vien nganh, hiem ngan, hieu manh
hanh doanh » hang doanh, chinh doanh, doanh doanh
doanh luan » doanh nhan
luong cong » dung cong, cong cong, tong cong
giang cau » gian cac, giang van, hang cau
giang day » gian dan
hoc hieu » hoc thieu, hoc hien, doc hieu

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 - hanh doanh luan ((luong cong) or (trong cong)) van ((giang cau) OR (giang day))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hieu nganh - hanh doanh luan ((luong cong) OR (trong cong)) van ((giang cau) OR (giang day)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hieu nganh - hanh doanh luan ((luong cong) or (trong cong)) van ((giang cau) OR (giang day))".
• Adding a wildcard symbol may retrieve word variants: hoc hieu nganh - hanh doanh luan ((luong cong) or (trong cong)) van ((giang cau) OR (giang day))*.