Perhaps you should try some spelling variations:
"supply private international airports." » "supply private international airport.", "supply private international transport.", "supply private international airshow.", "supply private information airports.", "supply china international airports.", "supply first international airports."
"supply chain international efforts." » "supply chain international energy.", "supply chain international airport.", "supply chain international support.", "supply china international efforts.", "supply can international efforts.", "supply sharing international efforts."

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