Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh tranh » canh tranh, hanh trinh, hanh trang
tranh cua » doanh cua, manh cua
hang cong » dang cong, hang nong, bang cong
ho chieu » theo chieu, hoc thieu, doi chieu
cua hang » cua dang, cua nhung, cua cong
cong san » cong tac
can cau » van cau, ban cau, cac cau
ca cau » cua cau, cac cau, ca cac

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 - hanh tranh cua hang cong san ((can cau) OR (ca cau))~.
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - hanh tranh cua hang cong san ((can cau) or (ca cau))*.