Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
tranh luan » trinh luan, trinh luat, doanh luan
tran thanh » ban thanh, van thanh, quan thanh
doi chieu » doc hieu, doi chi, ho chieu
cuon danh » cuong danh, cuoi dan, cum danh
con danh » cong danh, cuong danh, dong danh

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 sang - thanh ((tranh luan) or (tran thanh)) nhung ((con danh) OR (cuon danh)) phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sang - thanh ((tranh luan) OR (tran thanh)) nhung ((con danh) OR (cuon danh)) phan tu*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu sang - thanh ((tranh luan) or (tran thanh)) nhung ((con danh) OR (cuon danh)) phan tu*".