Perhaps you should try some spelling variations:
thanh thong » thanh thuong, thanh hong, thanh thang
chieu xanh » chieu sach, chieu sang, chieu tinh
doc chieu » doc hieu, doi chieu, toc thieu
trong tap » trong thap, tong tap, trong tan
toan cau » toan cao, toan tap, toan tai
toan ban » van ban
tin » tinh

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: doc chieu xanh - thanh thong tin dung trong tap ((toan cau) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc chieu xanh - thanh thong tin dung trong tap ((toan cau) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: doc chieu xanh - thanh thong tin dung trong tap ((toan cau) or (toan ban))*.