Perhaps you should try some spelling variations:
hanh trang » thanh trung, hanh trinh, minh trang
nhung cong » dung cong, thong cong, hang cong
cua nhung » va nhung
30 trieu » 25 trieu
cong dan » cong san, cong tan, huong dan
toan cau » toan cao, toan tap, toan tai
toan ban » van ban

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: 30 trieu tinh - ((hanh trang) OR (canh tranh)) cua nhung cong dan ((toan cau) OR (toan ban))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "30 trieu tinh - ((hanh trang) or (canh tranh)) cua nhung cong dan ((toan cau) OR (toan ban))~".
• Adding a wildcard symbol may retrieve word variants: 30 trieu tinh - ((hanh trang) or (canh tranh)) cua nhung cong dan ((toan cau) OR (toan ban))*.