Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
quang ban » quang binh, quang tuan, quang tran
ho chieu » theo chieu, hoc thieu, doi chieu
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
toan ban » van ban
qua ban » cua ban, qua quan

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

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