Perhaps you should try some spelling variations:
integration efforts » international efforts, conservation efforts
trade information » price information, private information, credit information
grid integration » trade integration, _ integration, data integration
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 grid integration efforts. ) OR ( supply trade information theory. ))~.
• Adding a wildcard symbol may retrieve word variants: (( supply grid integration efforts. ) or ( supply trade information theory. ))*.