Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh tranh » canh tranh, hanh trinh, hanh trang
nhung cong » dung cong, thong cong, nhung don
tranh cua » doanh cua, manh cua
hang cong » dang cong, hang nong, bang cong
ho chieu » theo chieu, hoc thieu, doi chieu
ran cau » van cau, can cau, tran chau
ban cau » bang cau, ban can, van cau

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 ((nhung cong) OR (hang cong)) thanh ((ran cau) OR (ban cau))~.
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - hanh tranh cua ((nhung cong) or (hang cong)) thanh ((ran cau) or (ban cau))*.