Perhaps you should try some spelling variations:
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
hanh tranh » canh tranh, hanh trinh, hanh trang
tranh cua » doanh cua, manh cua
tong dan » tuong dan, thong dan, trong dan
cua han » cua hang, cua nhan, cua phan
cua cau » cua cac, cua chu, cua cay
ca cau » cac cau, can 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: doi ((chieu xanh) OR (chieu sach)) - hanh tranh cua han tong dan ((ca cau) OR (cua cau))~.
• Adding a wildcard symbol may retrieve word variants: doi ((chieu xanh) or (chieu sach)) - hanh tranh cua han tong dan ((ca cau) or (cua cau))*.