Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh tranh » canh tranh, hanh trinh, lanh tranh
hanh trang » thanh trung, canh tranh, hanh trinh
doi chieu » doc hieu, doi chi, ho chieu
dung cong » dung trong
dan than » ban than, van than, dan toan
dan chan » dan gian, dan ca, van chat

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