Perhaps you should try some spelling variations:
city features » entity features, key features, core features
chinese green » chinese great, chinese friend, chinese german
from chinese » from china, from chile
green city » green cities
hong jong » hong kong
from many » from mali, from germany
dong » doing, long, done

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((dong sin) or (hong jong)) from chinese green city features from many ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((dong sin) OR (hong jong)) from chinese green city features from many ;.
• Adding a wildcard symbol may retrieve word variants: ((dong sin) or (hong jong)) from chinese green city features from many ;*.