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 trade integration efforts." » "supply trade international efforts.", "supply trade conservation efforts.", "supply side integration efforts.", "supply case 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 trade integration efforts.") OR ("supply some international airport."))~.
• Removing quotes may allow a broader search: (( supply trade integration efforts. ) or ( supply some international airport. ))~.
• Adding a wildcard symbol may retrieve word variants: (("supply trade integration efforts.") or ("supply some international airport."))*.