Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
doi chieu » doc hieu, doi chi, ho chieu
tranh vat » trinh vat, tranh va, tranh van
dung cong » dung trong
vat dung » van dung, va dung, viet dung
cong san » cong tac
toan ban » van ban

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