Perhaps you should try some spelling variations:
"supply der interpretationstheorie 2." » "supply der integrationstheorie 2.", "supply der interpretationsheuristik 2.", "supply der interpretationspraxis 2.", "supply der interpretation series.", "supply order interpretationstheorie 2.", "supply under interpretationstheorie 2.", "supply siders interpretationstheorie 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.

• If you are trying to use Boolean operators, they must be ALL CAPS: (("supply der interpretationstheorie 2.") OR ("supply data integration services."))~.
• Removing quotes may allow a broader search: (( supply der interpretationstheorie 2. ) or ( supply data integration services. ))~.
• Adding a wildcard symbol may retrieve word variants: (("supply der interpretationstheorie 2.") or ("supply data integration services."))*.