Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
chieu xanh » chieu sach, chieu sang, chieu tinh
duong cong » dung cong, luong cong, duong trong
hieu manh » hieu nganh, dieu hanh, hien hanh
hieu lang » chieu sang, hieu quang, nhieu tang
tranh cua » doanh cua, manh cua
cua duong » cua dong, cua huong, qua duong
cong san » cong tac
san toan » van toan, dan toan, manh toan
toan cau » toan cao, toan ban, toan tap

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 ((((chieu xanh) OR (hieu manh))) OR (hieu lang)) - hanh tranh cua duong cong san toan cau~.
• Adding a wildcard symbol may retrieve word variants: ho ((((chieu xanh) or (hieu manh))) or (hieu lang)) - hanh tranh cua duong cong san toan cau*.