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 first international efforts.", "supply joint international efforts."
"supply couple testing services." » "supply couple lending services.", "supply couple training services.", "supply couple banking services.", "supply curve testing services.", "supply cote testing services.", "supply role testing services."

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

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