Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
canh trinh » canh tranh, hanh trinh, canh tinh
quan hang » quan hoang, quan lang, qua hang
quan hanh » quan thanh, quang thanh, quang khanh
cong dan » cong san, cong tan, huong dan
dan canh » van canh, dan cach, dan hanh
canh ban » can ban, canh dan, canh van

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) OR (chieu sang)) - canh trinh ((quan hang) OR (quan hanh)) cong dan canh ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu xanh) or (chieu sang)) - canh trinh ((quan hang) OR (quan hanh)) cong dan canh ban~".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu xanh) or (chieu sang)) - canh trinh ((quan hang) OR (quan hanh)) cong dan canh ban*.