Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
doi chieu » doc hieu, doi chi, ho chieu
luat ban » luat bao, luat bat, xuat ban
luat dan » luat dat, luat doanh, cua dan
cong san » cong tac
san van » tan van, tran van, dang van
luan » quan, lan

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 - canh tranh ((((luat ban) OR (luat dan))) OR (luan van)) cong san van ban~.
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - canh tranh ((((luat ban) or (luat dan))) or (luan van)) cong san van ban*.