Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
doi chieu » doc hieu, doi chi, ho chieu
canh manh » lanh manh, canh tranh, van manh
bang cong » dang cong, bang song, hang cong
cua bang » chua bang, cua ban, cua dang
cong tac » cong ty
doan cau » toan cau, doan cap, doanh chau
doan dau » doan dieu, phan dau, doan va

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 - ((canh manh) OR (cach mang)) cua bang cong tac ((doan cau) or (doan dau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - ((canh manh) OR (cach mang)) cua bang cong tac ((doan cau) OR (doan dau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu xanh - ((canh manh) OR (cach mang)) cua bang cong tac ((doan cau) or (doan dau))".
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - ((canh manh) OR (cach mang)) cua bang cong tac ((doan cau) or (doan dau))*.