Perhaps you should try some spelling variations:
"supply social cooperation efforts." » "supply social collection efforts.", "supply social conservation effort.", "supply social consolidation efforts.", "supply judicial cooperation efforts.", "supply sector cooperation efforts.", "supply south cooperation efforts."
"supply grid conservation efforts." » "supply aid conservation efforts.", "supply good conservation efforts.", "supply soil conservation efforts.", "supply crowd conservation efforts.", "support grid conservation efforts."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("supply grid conservation efforts.") or ("supply social cooperation efforts."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("supply grid conservation efforts.") OR ("supply social cooperation efforts.")).
• Removing quotes may allow a broader search: (( supply grid conservation efforts. ) or ( supply social cooperation efforts. )).
• Adding a wildcard symbol may retrieve word variants: (("supply grid conservation efforts.") or ("supply social cooperation efforts."))*.