Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
trung tuan » trung thanh, trung tam, tran tuan
doi chieu » doc hieu, doi chi, ho chieu
cong cong » cong dong, trong cong, dung cong
dung cua » dung luan, dung cho
cong tan » cong tac, cong san, cong thanh
tan than » tan thanh, tan tran, ban than
than ban » thanh ban, toan ban, than man

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 - thanh ((dung cua) OR (trung tuan)) cong cong tan than ban~.
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - thanh ((dung cua) or (trung tuan)) cong cong tan than ban*.