Perhaps you should try some spelling variations:
thanh trinh » hanh trinh, thanh tinh, thanh binh
chieu xanh » chieu sach, chieu sang, chieu tinh
dung dung » ung dung, dung ung, dung dong
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, doi chieu
cong san » cong tac
than cau » toan cau, phan cau, than cap
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu xanh - thanh trinh dung dung cong san ((than cau) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - thanh trinh dung dung cong san ((than cau) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - thanh trinh dung dung cong san ((than cau) or (toan cao))*.