Perhaps you should try some spelling variations:
nhung cuong » hung cuong, nhung chong, nhung huong
hieu nganh » vien nganh, hiem ngan, hieu manh
hanh tranh » canh tranh, hanh trang, lanh tranh
hanh trinh » canh tranh, hanh chinh
nhung cong » dung cong, thong cong, hang cong
hoc hieu » hoc thieu, hoc hien, doc hieu
tap doan » tap quan
doan cau » toan cau, doan dau, doan cap

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 tranh) OR (hanh trinh)) cua ((nhung cuong) or (nhung cong)) tap doan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hieu nganh - ((hanh tranh) OR (hanh trinh)) cua ((nhung cuong) OR (nhung cong)) tap doan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hieu nganh - ((hanh tranh) OR (hanh trinh)) cua ((nhung cuong) or (nhung cong)) tap doan cau".
• Adding a wildcard symbol may retrieve word variants: hoc hieu nganh - ((hanh tranh) OR (hanh trinh)) cua ((nhung cuong) or (nhung cong)) tap doan cau*.