Perhaps you should try some spelling variations:
"supply grid integration theories." » "supply grid integration theory.", "supply grid integration through.", "supply grid integration efforts.", "supply trade integration theories.", "supply _ integration theories.", "supply data integration theories.", "supply crowd integration theories.", "support grid integration theories."
"supply social innovation report." » "supply social isolation report.", "supply social integration report.", "supply social interaction report.", "supply social innovation support."

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 theories.") OR ("supply social innovation report."))~.
• Removing quotes may allow a broader search: (( supply grid integration theories. ) or ( supply social innovation report. ))~.
• Adding a wildcard symbol may retrieve word variants: (("supply grid integration theories.") or ("supply social innovation report."))*.