Perhaps you should try some spelling variations:
"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."
"supply case international airport." » "supply case international transport.", "supply case international airshow.", "supply cases international airport.", "supply care international airport.", "supply cause internationale airport.", "supply cost international airport.", "supply curve international airport.", "supply costs international airport."

Try widening your search to All Fields.

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