Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh tranh » canh tranh, hanh trinh, hanh trang
tranh luan » trinh luan, trinh luat, doanh luan
hoc chieu » hoc thieu, ho chieu, hoc hien
luan tong » luan tuong, luan cong, luan dong
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
than cau » toan cau, phan cau, than cap

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chieu xanh - hanh tranh luan tong ((cong dan) OR (cong san)) than cau~".
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - hanh tranh luan tong ((cong dan) OR (cong san)) than cau*.