Perhaps you should try some spelling variations:
"supply eine integrationstheorie 2." » "supply der integrationstheorie 2.", "supply revidierte integrationstheorie 2.", "supply die generationstheorie 2.", "supply eine integrationstheorie fur.", "supply eine integration theories.", "supply eine interpretationstheorie 2.", "supply lines integrationstheorie 2.", "supply china integrationstheorie 2."
"supply der integration series." » "supply der integration services.", "supply der interaction series.", "supply der integration server.", "supply zur integration series.", "supply sector integration series.", "supply order integration series.", "supply under integration series.", "supply siders 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 eine integrationstheorie 2.") or ("supply der integration series."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("supply eine integrationstheorie 2.") OR ("supply der integration series.")).
• Removing quotes may allow a broader search: (( supply eine integrationstheorie 2. ) or ( supply der integration series. )).
• Adding a wildcard symbol may retrieve word variants: (("supply eine integrationstheorie 2.") or ("supply der integration series."))*.