Perhaps you should try some spelling variations:
"supply trade cooperation efforts." » "supply trade conservation efforts.", "supply trade cooperation forms.", "supply trade collection efforts.", "supply border cooperation efforts.", "supply case cooperation efforts."
"support ground testing services." » "support ground existing services.", "support ground lending services.", "support ground training services.", "support group testing services.", "support groups testing services.", "support grant testing services.", "support ground getting services.", "support grid testing services.", "support trend testing services."

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: (("support ground testing services.") OR ("supply trade cooperation efforts."))~.
• Removing quotes may allow a broader search: (( support ground testing services. ) or ( supply trade cooperation efforts. ))~.
• Adding a wildcard symbol may retrieve word variants: (("support ground testing services.") or ("supply trade cooperation efforts."))*.