Perhaps you should try some spelling variations:
"supply revidierte integrationstheorie 2." » "supply orientierte integrationstheorie 2.", "supply der integrationstheorie 2.", "supply eine integrationstheorie 2.", "supply revidierte integrationstheorie fur.", "supply revidierte integration theories.", "supply revidierte interpretationstheorie 2.", "supply evidence integrationstheorie 2."
"supply 3 integration series." » "supply 3 integration services.", "supply 3 interaction series.", "supply 3 integration server.", "supply die integration series.", "supply der integration series.", "supply data integration series.", "supply _ integration series.", "supply a integration series.", "supply 4 integration series."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("supply revidierte integrationstheorie 2.") or ("supply 3 integration series."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("supply revidierte integrationstheorie 2.") OR ("supply 3 integration series.")).
• Removing quotes may allow a broader search: (( supply revidierte integrationstheorie 2. ) or ( supply 3 integration series. )).
• Adding a wildcard symbol may retrieve word variants: (("supply revidierte integrationstheorie 2.") or ("supply 3 integration series."))*.