Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
doi chieu » doc hieu, doi chi, ho chieu
dung cong » dung trong
anh tang » anh bang, anh dang, anh sang
anh nang » ganh nang, anh bang, anh dang
cua dung » cua dang, cua dong, qua dung
ty van » ly van, ta van

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 - ((anh tang) or (anh nang)) cua dung cong ty van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - ((anh tang) OR (anh nang)) cua dung cong ty van ban.
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - ((anh tang) or (anh nang)) cua dung cong ty van ban*.