Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
nhieu tang » chieu sang, hieu lang, nhiet nang
canh trinh » canh tranh, hanh trinh, canh tinh
trinh quan » tinh quang, trinh luat, trinh han
quan hanh » quan thanh, quang thanh, quang khanh
nong dan » nong san, nguong dan, huong dan
cong dan » cong san, cong tan, huong dan
chan ban » can ban, chat ban, chan nan

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