Perhaps you should try some spelling variations:
"supply crowd integration through." » "supply crowd innovation through.", "supply grid integration through.", "supply trade integration through.", "supply chain integration through.", "supply growth integration through.", "supply cost integration through.", "supply how integration through."
"survey based innovation theory." » "survey based information theory.", "survey based innovation through.", "survey based integration theory.", "survey open innovation theory.", "survey model innovation theory.", "survey green innovation theory."

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 through.") OR ("survey based innovation theory."))~.
• Removing quotes may allow a broader search: (( supply crowd integration through. ) or ( survey based innovation theory. ))~.
• Adding a wildcard symbol may retrieve word variants: (("supply crowd integration through.") or ("survey based innovation theory."))*.