Perhaps you should try some spelling variations:
"supply trade international efforts." » "supply trade international airports.", "supply trade international energy.", "supply trade international airport.", "supply care international efforts.", "supply private international efforts.", "supply states international efforts.", "supply side international efforts.", "supply case international 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."

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