Perhaps you should try some spelling variations:
crowd integration » grid integration, rfid integration, beyond integration
integration some » integration south, integration soziale, integration social
crowd irrigation » crop irrigation, flood irrigation, from irrigation
supply crowd » supply growth, supply cost, supply from
systems. » system.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( supply crowd integration some. ) or ( supply crowd irrigation systems. ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( supply crowd integration some. ) OR ( supply crowd irrigation systems. )).
• Adding a wildcard symbol may retrieve word variants: (( supply crowd integration some. ) or ( supply crowd irrigation systems. ))*.