Perhaps you should try some spelling variations:
"supply cost international efforts." » "supply cost international airports.", "supply cost international energy.", "supply cost international airport.", "supply costs international efforts.", "supply costea international efforts.", "supply 1st international efforts."
"supply cities integrating services." » "supply cities integration services.", "supply cities integrated services.", "supply cities regulating services.", "supply city integrating services.", "supply countries integrating services.", "supply policies integrating services.", "supply chains integrating services.", "supply curves integrating services.", "supply cote integrating services."

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