Perhaps you should try some spelling variations:
bien tinh » bi tinh, yen tinh, diep tinh
chau tinh » cuu tinh, ha tinh, cua tinh
dung cong » dung trong
tranh va » tranh van, trang va, trinh va
cong dan » cong san, cong tan, huong dan
dan chan » dan gian, dan ca, van chat
chan cau » phan cau, can cau, chinh cau
va dung » van dung, va duong, vat dung

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((bien tinh) or (chau tinh)) - canh tranh va dung cong dan chan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((bien tinh) OR (chau tinh)) - canh tranh va dung cong dan chan cau.
• Adding a wildcard symbol may retrieve word variants: ho ((bien tinh) or (chau tinh)) - canh tranh va dung cong dan chan cau*.