Perhaps you should try some spelling variations:
"supply social integrationstheorie 2." » "supply eine integrationstheorie 2.", "supply der integrationstheorie 2.", "supply social integrationstheorie fur.", "supply social integration theories.", "supply social interpretationstheorie 2."
"supply american integration series." » "supply numerical integration series.", "supply urban integration series.", "supply american integration services.", "supply american interaction series.", "supply american integration server.", "supply mexican integration series.", "supply africa integration series.", "ugly american 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 american integration series.") or ("supply social integrationstheorie 2."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("supply american integration series.") OR ("supply social integrationstheorie 2.")).
• Removing quotes may allow a broader search: (( supply american integration series. ) or ( supply social integrationstheorie 2. )).
• Adding a wildcard symbol may retrieve word variants: (("supply american integration series.") or ("supply social integrationstheorie 2."))*.