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, manh cua
cua thong » cua thuong, cua khong, cua tong
cong luan » tong luan, dong luan, cong luong
cong tuan » cong tan, cong thanh, cong quang
hoan dau » khoan dau, doan dau, han dau
phan dau » phan tu, hang dau

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