Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
canh trinh » hanh trinh, canh tinh, anh trinh
doi chieu » doc hieu, doi chi, ho chieu
van thanh » ban thanh, van tuan
thanh ban » thanh san, thanh van, thanh bac
van dung » van dong, xay dung, tin dung
cong van » cong vang, cong san, song van
va dung » va duong, vat dung, va ung

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