Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
tranh cua » doanh cua, manh cua
dang cong » dung cong
cong vang » cong lang, cong quang, cong ngang
vang toan » van toan, dang toan, quang toan
cua dang » cua cong, cua ban
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((chinh sach) or (chieu xanh)) - canh tranh cua dang cong vang toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chinh sach) OR (chieu xanh)) - canh tranh cua dang cong vang toan cau*.