Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh tranh » hanh trinh, hanh trang, lanh tranh
doi chieu » doc hieu, doi chi, ho chieu
dung cong » dung trong
thanh ban » thanh san, thanh van, thanh bac
cong dan » cong san, cong tan, huong dan
than ban » toan ban, than man, nhuan ban

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