Perhaps you should try some spelling variations:
integration efforts » international efforts, conservation efforts
crowd integration » grid integration, trade integration, chain integration
countries testing » countries using, countries helping, countries hurting
supply countries » supplier countries, supply curves, supply contracts
testing services » lending services, training services, banking services
supply crowd » supply growth, supply cost, supply how

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 efforts. ) or ( supply countries testing services. ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( supply crowd integration efforts. ) OR ( supply countries testing services. )).
• Adding a wildcard symbol may retrieve word variants: (( supply crowd integration efforts. ) or ( supply countries testing services. ))*.