Perhaps you should try some spelling variations:
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
luan nang » luan van, van nang, luan san
ban thanh » ban hanh, ban hang
thanh mau » hanh mau, thanh san, thanh hai
song ban » song van, dong ban, hong ban

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chieu xanh) or (chieu sach)) - sach dung luan nang song ban thanh mau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu xanh) OR (chieu sach)) - sach dung luan nang song ban thanh mau.
• Adding a wildcard symbol may retrieve word variants: theo ((chieu xanh) or (chieu sach)) - sach dung luan nang song ban thanh mau*.