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 efforts." » "supply crowd international efforts.", "supply crowd conservation efforts.", "supply grid integration efforts.", "supply chain integration efforts.", "supply urban integration efforts.", "supply growth integration efforts.", "supply cost integration efforts.", "supply how integration efforts."

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