Perhaps you should try some spelling variations:
"supply cost international airports." » "supply cost international airport.", "supply cost international transport.", "supply cost international airshow.", "supply costs international airports.", "supply costea international airports.", "supply 1st international airports."
"supply main international efforts." » "supply main international energy.", "supply main international airport.", "supply main international support.", "supply joint international efforts.", "supply bonn international efforts.", "supply nations international efforts.", "supply chain international efforts.", "supply ann international efforts.", "supply many 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 main international efforts.") or ("supply cost international airports."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("supply main international efforts.") OR ("supply cost international airports.")).
• Removing quotes may allow a broader search: (( supply main international efforts. ) or ( supply cost international airports. )).
• Adding a wildcard symbol may retrieve word variants: (("supply main international efforts.") or ("supply cost international airports."))*.