Perhaps you should try some spelling variations:
sustainable architectural » sustainable architecture, sustainable agricultural, reusable architectural
2fgreen buildings » green buildings, green building, street buildings
between buildings » green buildings, twin buildings, between beijing
between building » between beijing, green building, when building

Try widening your search to All Fields.

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

• If you are trying to use Boolean operators, they must be ALL CAPS: %sustainable architectural%((2fgreen buildings) OR (((between buildings) OR (between building))))%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%sustainable architectural%((2fgreen buildings) or (((between buildings) OR (between building))))%22".
• Adding a wildcard symbol may retrieve word variants: %sustainable architectural%((2fgreen buildings) or (((between buildings) OR (between building))))%22*.