Perhaps you should try some spelling variations:
"supply case integrationstheorie 2." » "supply eine integrationstheorie 2.", "supply der integrationstheorie 2.", "supply case integrationstheorie fur.", "supply case integration theories.", "supply case interpretationstheorie 2.", "supply cost integrationstheorie 2.", "supply chain integrationstheorie 2.", "supply curve integrationstheorie 2."
"supply data integration services." » "supply data integrating services.", "supply data integrated services.", "supply data insemination services.", "supply data integrity services."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("supply data integration services.") or ("supply case integrationstheorie 2."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("supply data integration services.") OR ("supply case integrationstheorie 2."))*.
• Removing quotes may allow a broader search: (( supply data integration services. ) or ( supply case integrationstheorie 2. ))*.