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 under integrationstheorie 2.", "supply siders integrationstheorie 2."
"supply data integration series." » "supply data integration services.", "supply data interaction series.", "supply data integration server.", "supply data integrity series."

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: (("supply order integrationstheorie 2.") OR ("supply data integration series."))~.
• Removing quotes may allow a broader search: (( supply order integrationstheorie 2. ) or ( supply data integration series. ))~.
• Adding a wildcard symbol may retrieve word variants: (("supply order integrationstheorie 2.") or ("supply data integration series."))*.