Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
doi chieu » doc hieu, doi chi, ho chieu
tranh cua » doanh cua
dung cong » dung trong
manh cua » doanh cua, ban cua
cong bai » cuong bai, cong hai, cung bai
tap cao » tap co, tap cac, tay cao
tao cao » bao cao, toan cao

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 cua) OR (manh cua)) dung cong bai ((tap cao) OR (tao cao))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu xanh - canh ((tranh cua) or (manh cua)) dung cong bai ((tap cao) OR (tao cao))~".
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - canh ((tranh cua) or (manh cua)) dung cong bai ((tap cao) OR (tao cao))*.