Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
doi chieu » doc hieu, doi chi, ho chieu
trinh cua » trinh luat, trinh quan, trinh luan
bang cong » dang cong, bang song, hang cong
tinh cua » sinh cua, tinh chat, tranh cua
cong tac » cong ty
van cau » van dau, van hau, van chat
ca cau » cua cau, cac cau, can cau

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

• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - thanh ((tinh cua) OR (trinh cua)) bang cong tac ((van cau) OR (ca cau))~.
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - thanh ((tinh cua) or (trinh cua)) bang cong tac ((van cau) or (ca cau))*.