Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh tranh » canh tranh, lanh tranh, nhanh thanh
hanh trinh » canh tranh, hanh chinh
hanh trang » thanh trung, canh tranh, minh trang
doi chieu » doc hieu, doi chi, ho chieu
dung cong » dung trong
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than man » than ma, thanh san, tran manh

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu xanh - ((((hanh tranh) OR (hanh trinh))) or (hanh trang)) xay dung cong dan than man~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - ((((hanh tranh) OR (hanh trinh))) OR (hanh trang)) xay dung cong dan than man.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu xanh - ((((hanh tranh) OR (hanh trinh))) or (hanh trang)) xay dung cong dan than man".
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - ((((hanh tranh) OR (hanh trinh))) or (hanh trang)) xay dung cong dan than man*.