Perhaps you should try some spelling variations:
integration report » integration efforts, innovation report, integration theory
grid integration » trade integration, _ integration, data integration
case irrigation » scale irrigation, change irrigation, canal irrigation
supply grid » supply crowd, support grid
supply case » supply cost, supply chain, supply curve

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 report. ) or ( supply case irrigation (systems. or system.) ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( supply grid integration report. ) OR ( supply case irrigation (systems. OR system.) )).
• Adding a wildcard symbol may retrieve word variants: (( supply grid integration report. ) or ( supply case irrigation (systems. or system.) ))*.