Perhaps you should try some spelling variations:
integration efforts » international efforts, conservation efforts
relations export » reductions export
grid integration » trade integration, _ integration, data integration
trade relations » trade regulation, gender relations
supply trade » supply side, supply case
supply grid » supply crowd, support grid

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 trade relations export. ) OR ( supply grid integration efforts. ))~.
• Adding a wildcard symbol may retrieve word variants: (( supply trade relations export. ) or ( supply grid integration efforts. ))*.