Perhaps you should try some spelling variations:
hanh trang » thanh trung, canh tranh, hanh trinh
hanh tranh » canh tranh, hanh trinh, lanh tranh
dung cong » dung trong
theo chu » theo chieu, cho chu, chao chu
chu xanh » chu manh, chieu xanh, chua xang
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than cau » toan cau, phan cau, than cap
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: theo chu xanh - ((hanh tranh) or (hanh trang)) va dung cong dan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu xanh - ((hanh tranh) OR (hanh trang)) va dung cong dan than cau.
• Adding a wildcard symbol may retrieve word variants: theo chu xanh - ((hanh tranh) or (hanh trang)) va dung cong dan than cau*.