Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
nhieu tang » chieu sang, nhiet nang
hieu lang » chieu sang, hieu quang, hieu van
tranh cua » doanh cua, manh cua
phan cong » thanh cong
cua phan » cua nhan, cua phap, cua han
cong tac » cong ty
phan dau » phan tu, hang dau
hang tai » hang va, dung tai

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) OR (nhieu tang)) - hanh tranh cua phan cong tac ((phan dau) OR (hang tai))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((hieu lang) OR (nhieu tang)) - hanh tranh cua phan cong tac ((phan dau) or (hang tai))~".
• Adding a wildcard symbol may retrieve word variants: ho ((hieu lang) OR (nhieu tang)) - hanh tranh cua phan cong tac ((phan dau) or (hang tai))*.