Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
nhanh lang » nhanh quang, nhanh thang, nhan dang
doi chieu » doc hieu, doi chi, ho chieu
cua dong » chua dong, cua cong, cua dang
tan chan » dan chan, ban chan, tam chan
can chan » dan chan, cam chan, ban chan
ha dong » hoat dong, van dong

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: doi chieu xanh - nhanh lang ((cua dong) OR (ha dong)) cong ((tan chan) OR (can chan)) ban~.
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - nhanh lang ((cua dong) or (ha dong)) cong ((tan chan) or (can chan)) ban*.