Perhaps you should try some spelling variations:
"supply sector integrationstheorie 2." » "supply der integrationstheorie 2.", "supply eine integrationstheorie 2.", "supply sector integrationstheorie fur.", "supply sector integration theories.", "supply sector interpretationstheorie 2."
"supply crowd making series." » "supply crowd making services.", "supply crowd banking series.", "supply crowd trading series.", "supply growth making series.", "supply cost making series.", "supply from making series.", "supply road making series.", "supply fraud making 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 making series.") OR ("supply sector integrationstheorie 2."))~.
• Removing quotes may allow a broader search: (( supply crowd making series. ) or ( supply sector integrationstheorie 2. ))~.
• Adding a wildcard symbol may retrieve word variants: (("supply crowd making series.") or ("supply sector integrationstheorie 2."))*.