Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
chieu xanh » chieu sach, chieu sang, hieu manh
dung huong » dung thuong, dung phuong, dong huong
huong manh » duong manh, hung manh, luong manh
tranh tan » tranh toan, thanh tan, tran tan
manh toan » thanh toan, anh tuan, tinh toan
tan dung » tran dung, tin dung, van dung
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: hoc ((chieu tinh) or (chieu xanh)) - canh tranh tan dung huong manh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu tinh) OR (chieu xanh)) - canh tranh tan dung huong manh toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu tinh) or (chieu xanh)) - canh tranh tan dung huong manh toan ban*.