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."
"supply crowd testing services." » "supply crowd existing services.", "supply crowd lending services.", "supply crowd training services.", "supply ground testing services.", "supply food testing services.", "supply load testing services.", "supply growth testing services.", "supply cost testing services.", "supply from 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: (("supply crowd testing services.") OR ("supply trade cooperation efforts."))~.
• Removing quotes may allow a broader search: (( supply crowd testing services. ) or ( supply trade cooperation efforts. ))~.
• Adding a wildcard symbol may retrieve word variants: (("supply crowd testing services.") or ("supply trade cooperation efforts."))*.