Perhaps you should try some spelling variations:
"Supply chain international airport." » "Supply chain international transport.", "Supply chain international airshow.", "Supply chains international airport.", "Supply main international airport.", "Supply can international airport."
"Supply chain international efforts." » "Supply chain international airports.", "Supply chain international energy.", "Supply chain international support.", "Supply chains international efforts.", "Supply main international efforts.", "Supply can international efforts."

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• Performing a fuzzy search may retrieve terms with similar spellings: (("Supply chain international efforts.") OR ("Supply chain international airport."))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"Supply chain international efforts.\") OR (\"Supply chain international airport.\"))".
• Removing quotes may allow a broader search: (( Supply chain international efforts. ) OR ( Supply chain international airport. )).
• Adding a wildcard symbol may retrieve word variants: (("Supply chain international efforts.") OR ("Supply chain international airport."))*.