Perhaps you should try some spelling variations:
integration efforts » international efforts, conservation efforts
integration volume » integration policy
chain integration » trade integration, data integration
grid integration » trade integration, _ integration, data integration
supply grid » supply crowd, support grid

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "(( supply grid integration efforts. ) OR ( supply chain integration volume. ))~".
• Adding a wildcard symbol may retrieve word variants: (( supply grid integration efforts. ) OR ( supply chain integration volume. ))*.