Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, nhieu tang
hieu lang » hieu quang, nhieu tang, hieu van
tranh cua » doanh cua, manh cua
cua nhung » va nhung
cong lang » cong vang, cong luong, cong quang
song van » hoang van, trong van, duong van
toan cao » toan ban, toan tap

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 sang) OR (hieu lang)) - canh tranh cua nhung ((song van) OR (cong lang)) toan cao~.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sang) or (hieu lang)) - canh tranh cua nhung ((song van) or (cong lang)) toan cao*.