Perhaps you should try some spelling variations:
"supply chain international airports." » "supply chain international airport.", "supply chain international transport.", "supply chain international airshow.", "supply chains international airports.", "supply main international airports.", "supply can international airports."
"supply chain international efforts." » "supply chain international energy.", "supply chain international airport.", "supply chain international support.", "supply chains international efforts.", "supply main international efforts.", "supply can international 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 chain international efforts.") or ("supply chain international airports."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("supply chain international efforts.") OR ("supply chain international airports.")).
• Removing quotes may allow a broader search: (( supply chain international efforts. ) or ( supply chain international airports. )).
• Adding a wildcard symbol may retrieve word variants: (("supply chain international efforts.") or ("supply chain international airports."))*.