Perhaps you should try some spelling variations:
"support der integrationstheorie 2." » "support eine integrationstheorie 2.", "support der generationstheorie 2.", "support der migrationstheorien 2.", "support der integrationstheorie fur.", "support der integration theories.", "support der interpretationstheorie 2.", "support de integrationstheorie 2.", "support under integrationstheorie 2.", "support deep integrationstheorie 2."
"export data integration south." » "export data integration study.", "export data integration some.", "export data integration social.", "export data integrity south.", "export day integration south.", "import data integration south."

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