Perhaps you should try some spelling variations:
"supply crowd integrationstheorie 2." » "supply der integrationstheorie 2.", "supply eine integrationstheorie 2.", "supply crowd integrationstheorie fur.", "supply crowd integration theories.", "supply crowd interpretationstheorie 2.", "supply growth integrationstheorie 2.", "supply cost integrationstheorie 2.", "supply from integrationstheorie 2."
"support der integration social." » "support der international social.", "support zur integration social.", "support sector integration social.", "support de integration social.", "support under integration social.", "support deep integration social."

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: (("support der integration social.") OR ("supply crowd integrationstheorie 2."))~.
• Removing quotes may allow a broader search: (( support der integration social. ) or ( supply crowd integrationstheorie 2. ))~.
• Adding a wildcard symbol may retrieve word variants: (("support der integration social.") or ("supply crowd integrationstheorie 2."))*.