Perhaps you should try some spelling variations:
"supply system international efforts." » "supply system international airports.", "supply system international energy.", "supply system international airport.", "supply states international efforts.", "supply system integration efforts.", "supply some international efforts.", "supply systems 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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• Performing a fuzzy search may retrieve terms with similar spellings: (("supply grid conservation efforts.") or ("supply system international efforts."))~.
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