Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
luan phong » luan phuong, xuan phuong, luan phan
doi chieu » doc hieu, doi chi, ho chieu
cach dung » sach dung, cach mang, tac dung
van phong » van dong, hai phong
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van 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: doi chieu xanh - cach dung ((luan phong) or (van phong)) cong tan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - cach dung ((luan phong) OR (van phong)) cong tan toan cau.
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - cach dung ((luan phong) or (van phong)) cong tan toan cau*.