Perhaps you should try some spelling variations:
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
tranh ban » trinh ban, tranh hang, tranh luan
ban dung » van dung, dan dung, tan dung
cong dan » cong san, cong tan, cong dong
gian ban » gian bana, gian dan, gian lan

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 sach)) - canh tranh ban dung ((cong dan) OR (huong dan)) gian ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu xanh) OR (chieu sach)) - canh tranh ban dung ((cong dan) or (huong dan)) gian ban~".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu xanh) OR (chieu sach)) - canh tranh ban dung ((cong dan) or (huong dan)) gian ban*.