Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, nhieu tang
cuong cong » cong cong, luong cong, duong cong
hieu lang » hieu quang, nhieu tang, hieu van
tranh cua » doanh cua, manh cua
cua cuong » cua cong, cua huong, cua truong
cong dan » cong san, cong tan, huong dan
dan van » dang van, doan van, dao van

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((((chieu xanh) or (chieu sang))) or (hieu lang)) - canh tranh cua cuong cong dan van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((((chieu xanh) OR (chieu sang))) OR (hieu lang)) - canh tranh cua cuong cong dan van ban.
• Adding a wildcard symbol may retrieve word variants: ho ((((chieu xanh) or (chieu sang))) or (hieu lang)) - canh tranh cua cuong cong dan van ban*.