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 » trong cong, cong cong, tong cong
nhan giong » nhanh giong, hat giong, nhan trong
dung cong » dung trong
giong cau » giong cay, giong rau, cong cau
doc hieu » toc thieu, hoc thieu, hoc hien

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 - hanh doanh luan ((luong cong) or (dung cong)) nhan giong cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu nganh - hanh doanh luan ((luong cong) OR (dung cong)) nhan giong cau.
• Adding a wildcard symbol may retrieve word variants: doc hieu nganh - hanh doanh luan ((luong cong) or (dung cong)) nhan giong cau*.