Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
doi chieu » doc hieu, doi chi, ho chieu
tranh le » thanh le, trinh le, tranh lam
le trong » le trung, ly trong, le tang
cong van » cong vang, song van, cong tan
cong san » cong tac
tan ban » toan ban, tang ban, van ban

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 le trong ((cong van) or (cong san)) tan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sang - canh tranh le trong ((cong van) OR (cong san)) tan ban.
• Adding a wildcard symbol may retrieve word variants: doi chieu sang - canh tranh le trong ((cong van) or (cong san)) tan ban*.