Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
doi chieu » doc hieu, doi chi, ho chieu
dang vat » dang van, dong vat, dang nhat
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
toan ban » van ban
bang va » hang va, ban va, trang va

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 - canh ((dang vat) or (bang va)) dung ((cong dan) or (cong tan)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - canh ((dang vat) OR (bang va)) dung ((cong dan) OR (cong tan)) toan ban.
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - canh ((dang vat) or (bang va)) dung ((cong dan) or (cong tan)) toan ban*.