Perhaps you should try some spelling variations:
integration soziale » integration social
irrigation system » irrigation systems, irrigation water, irrigation scheme
side integration » die integration, de integration, life integration
crowd irrigation » crop irrigation, flood irrigation, from irrigation
supply crowd » supply growth, supply cost, supply from

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

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