Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
thanh tung » thanh cong
doi chieu » doc hieu, doi chi, ho chieu
dung cong » dung trong
tam dung » tam duong, tac dung, tan dung
cong tac » cong ty
toan cau » toan cao, toan ban, toan tap
phan cau » phan dau, phan cac, phan tu

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 - ((thanh trung) or (thanh tung)) tam dung cong tac ((toan cau) or (phan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - ((thanh trung) OR (thanh tung)) tam dung cong tac ((toan cau) OR (phan cau)).
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - ((thanh trung) or (thanh tung)) tam dung cong tac ((toan cau) or (phan cau))*.