Perhaps you should try some spelling variations:
integration schemes » integration schengen, irrigation schemes, integration regimes
integration soziale » integration social
crowd integration » rfid integration, beyond integration, toward integration
supply crowd » supply growth, supply cost, supply from
supply grid » supply great, support grid

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

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