Perhaps you should try some spelling variations:
"supply trade integration schemes." » "supply trade irrigation schemes.", "supply trade integration some.", "supply trade integration theories.", "supply side integration schemes.", "supply case integration schemes."
"supply crowd integration series." » "supply crowd integration theories.", "supply crowd integrating services.", "supply crowd integration social.", "supply grid integration series.", "supply chain integration series.", "supply urban integration series.", "supply growth integration series.", "supply cost integration series.", "supply how integration series."

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 integration series.") OR ("supply trade integration schemes."))~.
• Removing quotes may allow a broader search: (( supply crowd integration series. ) or ( supply trade integration schemes. ))~.
• Adding a wildcard symbol may retrieve word variants: (("supply crowd integration series.") or ("supply trade integration schemes."))*.