Perhaps you should try some spelling variations:
integration efforts » international efforts, conservation efforts
education reforms » education reform
crowd integration » grid integration, rfid integration, beyond integration
vre education » re education, free education, care education
supply crowd » supply growth, supply cost, supply from
supply vre » supply curve

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: (( supply vre education reforms. ) OR ( supply crowd integration efforts. ))~.
• Adding a wildcard symbol may retrieve word variants: (( supply vre education reforms. ) or ( supply crowd integration efforts. ))*.