Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
doi chieu » doc hieu, doi chi, ho chieu
nhan dang » nhan dan, phan dang, tran dang
dang cua » dung cua, dong cua, mang cua
cua dong » chua dong, cua cong, cua dang
cong tan » cong tac, cong thanh, cong ty
cong san » cong tac
than cao » toan cao, thai cao, than cap

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 xanh - nhan dang cua dong ((cong tan) or (cong san)) than cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - nhan dang cua dong ((cong tan) OR (cong san)) than cao.
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - nhan dang cua dong ((cong tan) or (cong san)) than cao*.