Perhaps you should try some spelling variations:
hieu nganh » vien nganh, hiem ngan, nghiep nganh
hang doanh » hanh doanh, nhung doanh, van doanh
doanh luan » doanh nhan
hieu manh » chieu xanh, dieu hanh, hien hanh
luan cong » luat cong, luong cong, luan chung
cong cong » cong dong, trong cong, dung cong
cong van » cong vang, cong san, song van

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