Perhaps you should try some spelling variations:
duong trong » dung trong
chieu xanh » chieu sach, chieu sang, hieu manh
chieu tinh » trieu tinh, lieu tinh, chau tinh
luan duong » tuan duong, luan luong, luan dong
nhan dang » nhan dan, phan dang, tran dang
dang luan » dung luan, tang luan, hang luan
trong tac » trong cac, tuong tac, trong tan
toan cau » toan cao, toan tap, toan tai
toan ban » van ban

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) or (chieu tinh)) - nhan dang luan duong trong tac ((toan cau) OR (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu xanh) OR (chieu tinh)) - nhan dang luan duong trong tac ((toan cau) OR (toan ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chieu xanh) or (chieu tinh)) - nhan dang luan duong trong tac ((toan cau) OR (toan ban))".
• Adding a wildcard symbol may retrieve word variants: doi ((chieu xanh) or (chieu tinh)) - nhan dang luan duong trong tac ((toan cau) OR (toan ban))*.