Perhaps you should try some spelling variations:
"supply der integrationstheorie 2." » "supply eine integrationstheorie 2.", "supply der generationstheorie 2.", "supply der migrationstheorien 2.", "supply der integrationstheorie fur.", "supply der integration theories.", "supply der interpretationstheorie 2.", "supply order integrationstheorie 2.", "supply under integrationstheorie 2.", "supply siders integrationstheorie 2."
"supply cost integration some." » "supply post integration some.", "supply test integration some.", "supply about integration some.", "supply cost integration south.", "supply cost integration soziale.", "supply cost integration social.", "supply costs integration some."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("supply der integrationstheorie 2.") or ("supply cost integration some."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("supply der integrationstheorie 2.") OR ("supply cost integration some.")).
• Removing quotes may allow a broader search: (( supply der integrationstheorie 2. ) or ( supply cost integration some. )).
• Adding a wildcard symbol may retrieve word variants: (("supply der integrationstheorie 2.") or ("supply cost integration some."))*.