Perhaps you should try some spelling variations:
"supply some international airport." » "supply some international transport.", "supply some international airshow.", "supply time international airport.", "supply from international airport.", "supply how international airport.", "supply side international airport.", "supply cote international airport.", "supply role international airport."
"supply chain integration efforts." » "supply chain international efforts.", "supply chain conservation efforts.", "supply trade integration efforts.", "supply data integration efforts.", "supply grid integration efforts."

You may be able to get more results by adjusting your search query.

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