Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hoc chieu » hoc thieu, ho chieu, hoc hien
tranh cua » doanh cua, manh cua
cua nhung » va nhung
cong dan » cong san, cong tan, cong dong
toan cau » toan ban, toan tap, toan tai
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: hoc chieu xanh - canh tranh cua nhung ((cong dan) OR (huong dan)) ((toan cau) OR (toan cao))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chieu xanh - canh tranh cua nhung ((cong dan) or (huong dan)) ((toan cau) OR (toan cao))~".
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - canh tranh cua nhung ((cong dan) or (huong dan)) ((toan cau) OR (toan cao))*.