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
tuan duong » tuyen duong, tuong duong, van duong
nhan dang » nhan dan, phan dang, tran dang
dang tuan » dang tran, dang toan, dang xuan
trong tac » trong cac, tuong tac, trong tan
tac toan » tap toan, tam toan, hach toan
toan cau » toan cao, toan ban, toan tap

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 tuan duong trong tac toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu xanh) OR (chieu tinh)) - nhan dang tuan duong trong tac toan cau.
• Adding a wildcard symbol may retrieve word variants: doi ((chieu xanh) or (chieu tinh)) - nhan dang tuan duong trong tac toan cau*.