Perhaps you should try some spelling variations:
"supply social integration theories." » "supply social integration theory.", "supply social integration through.", "supply social integration efforts.", "supply global integration theories.", "supply financial integration theories.", "supply regional integration theories."
"supply crowd integration schemes." » "supply crowd irrigation schemes.", "supply crowd integration some.", "supply grid integration schemes.", "supply trade integration schemes.", "supply chain integration schemes.", "supply growth integration schemes.", "supply cost integration schemes.", "supply how integration schemes."

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