Perhaps you should try some spelling variations:
"supply order integrationstheorie 2." » "supply der integrationstheorie 2.", "supply eine integrationstheorie 2.", "supply orientierte integrationstheorie 2.", "supply order integrationstheorie fur.", "supply order integration theories.", "supply order interpretationstheorie 2.", "supply orzur integrationstheorie 2.", "supply orsector integrationstheorie 2.", "supply under integrationstheorie 2.", "supply siders 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 order integrationstheorie 2."))~.
• Removing quotes may allow a broader search: (( support der integration social. ) or ( supply order integrationstheorie 2. ))~.
• Adding a wildcard symbol may retrieve word variants: (("support der integration social.") or ("supply order integrationstheorie 2."))*.