Perhaps you should try some spelling variations:
duong quang » dung quang, luong quang, duong qua
chieu xanh » chieu sach, chieu sang, hieu manh
chieu tinh » trieu tinh, lieu tinh, chau tinh
hanh trung » thanh trung, hanh trang, manh trung
trung dap » trung cap, trung dai, trung dam
ung duong » ung dung, tuong duong, cuong duong
tuan cau » quan cau, tuan cu, thuan cam
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)) - hanh trung dap ung duong quang ((tuan cau) or (toan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu xanh) OR (chieu tinh)) - hanh trung dap ung duong quang ((tuan cau) OR (toan cau)).
• Adding a wildcard symbol may retrieve word variants: doi ((chieu xanh) or (chieu tinh)) - hanh trung dap ung duong quang ((tuan cau) or (toan cau))*.