Perhaps you should try some spelling variations:
hieu nganh » vien nganh, hiem ngan, hieu manh
nhung dong » nhung don, nhung cong, nhung bong
nhung dung » phuong dung, ung dung, thong dung
doanh phan » doanh nhan, doan phan, doanh thanh
hieu xanh » chieu xanh, hieu manh, dieu hanh
tranh cua » doanh cua, manh cua
phan cau » phan dau, phan cac, phan tu

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 xanh) or (hieu nganh)) - canh tranh cua ((nhung dong) OR (nhung dung)) doanh phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc ((hieu xanh) OR (hieu nganh)) - canh tranh cua ((nhung dong) OR (nhung dung)) doanh phan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc ((hieu xanh) or (hieu nganh)) - canh tranh cua ((nhung dong) OR (nhung dung)) doanh phan cau".
• Adding a wildcard symbol may retrieve word variants: doc ((hieu xanh) or (hieu nganh)) - canh tranh cua ((nhung dong) OR (nhung dung)) doanh phan cau*.