Perhaps you should try some spelling variations:
chieu sang » chieu xanh, hieu lang, nhieu tang
chieu sach » chinh sach, chiet tach, chieu xanh
duong luan » dung luan, duong quan, duong xuan
dong luan » dung luan, tong luan, dong xuan
trong san » trong cac, cong san, dong san
san phan » san pham, van phan, sat phan
phan cau » phan dau, phan cac, phan tu

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) OR (chieu sach)) - thanh ((duong luan) or (dong luan)) dung trong san phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu sang) OR (chieu sach)) - thanh ((duong luan) OR (dong luan)) dung trong san phan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chieu sang) OR (chieu sach)) - thanh ((duong luan) or (dong luan)) dung trong san phan cau".
• Adding a wildcard symbol may retrieve word variants: doi ((chieu sang) OR (chieu sach)) - thanh ((duong luan) or (dong luan)) dung trong san phan cau*.