Perhaps you should try some spelling variations:
luan phuong » lan phuong, quang phuong, doan phuong
phuong dong » phuong dung, phuong hoang, chuong duong
chieu sang » chieu sach, hieu lang, nhieu tang
chieu xanh » chieu sach, chieu tinh, hieu manh
hanh tranh » canh tranh, hanh trinh, hanh trang
tranh luan » trinh luan, trinh luat, doanh luan
tan toan » tap toan, van toan, dan toan

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 xanh)) - hanh tranh luan phuong dong ((tan toan) or (tan tran)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu sang) OR (chieu xanh)) - hanh tranh luan phuong dong ((tan toan) OR (tan tran)) cao.
• Adding a wildcard symbol may retrieve word variants: doi ((chieu sang) or (chieu xanh)) - hanh tranh luan phuong dong ((tan toan) or (tan tran)) cao*.