Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
ho chieu » theo chieu, hoc thieu, doi chieu
anh sang » lanh sang, anh bang, anh nang
anh dang » anh dong, anh dung, anh bang
cua dong » chua dong, cua cong, cua dang
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan cau » 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 - ((anh sang) or (anh dang)) ((suat thong) or (cua dong)) cong tac toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - ((anh sang) OR (anh dang)) ((suat thong) OR (cua dong)) cong tac toan cau.
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - ((anh sang) or (anh dang)) ((suat thong) or (cua dong)) cong tac toan cau*.