Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
doi chieu » doc hieu, doi chi, ho chieu
tranh cua » doanh cua, manh cua
trong van » trong cac
cua dang » cua cong, cua ban
cong van » cong vang, cong san, song van
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu sang - canh tranh cua dang ((cong van) or (trong van)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sang - canh tranh cua dang ((cong van) OR (trong van)) toan cao.
• Adding a wildcard symbol may retrieve word variants: doi chieu sang - canh tranh cua dang ((cong van) or (trong van)) toan cao*.