Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, nhung lang
hanh tranh » canh tranh, hanh trinh, hanh trang
hieu lang » chieu sang, hieu quang, nhieu tang
tranh cua » doanh cua, manh cua
nhung don » nhung van, nhung bo
hang cong » dang cong, hang nong, bang cong
dan toan » van toan, dan than, manh toan
toan cau » toan cao, toan ban, toan tap
ho hieu » ho chieu, hoi hieu, nho hieu

You may be able to get more results by adjusting your search query.

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