Perhaps you should try some spelling variations:
"supply grid integration efforts." » "supply grid international efforts.", "supply trade integration efforts.", "supply _ integration efforts.", "supply data integration efforts.", "supply crowd integration efforts.", "support grid integration efforts."
"supply marine conservation efforts." » "supply nature conservation efforts.", "supply land conservation efforts.", "supply heritage conservation efforts.", "supply market conservation efforts.", "supply tariff conservation efforts."

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 marine conservation efforts."))~.
• Removing quotes may allow a broader search: (( supply grid integration efforts. ) or ( supply marine conservation efforts. ))~.
• Adding a wildcard symbol may retrieve word variants: (("supply grid integration efforts.") or ("supply marine conservation efforts."))*.