Perhaps you should try some spelling variations:
"supply crowd integration theory." » "supply crowd integration through.", "supply crowd information theory.", "supply crowd integration report.", "supply grid integration theory.", "supply trade integration theory.", "supply chain integration theory.", "supply growth integration theory.", "supply cost integration theory.", "supply how integration theory."
"supply open banking services." » "supply modern banking services.", "supply agent banking services.", "supply open burning services.", "supply pipes banking services.", "supply open banking series."

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("supply open banking services.") or ("supply crowd integration theory."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("supply open banking services.") OR ("supply crowd integration theory.")).
• Removing quotes may allow a broader search: (( supply open banking services. ) or ( supply crowd integration theory. )).
• Adding a wildcard symbol may retrieve word variants: (("supply open banking services.") or ("supply crowd integration theory."))*.