Perhaps you should try some spelling variations:
"supply cost integrationstheorie 2." » "supply der integrationstheorie 2.", "supply eine integrationstheorie 2.", "supply cost integrationstheorie fur.", "supply cost integration theories.", "supply cost interpretationstheorie 2.", "supply costs integrationstheorie 2."
"supply merger integration series." » "supply border integration series.", "supply sector integration series.", "supply der integration series.", "supply merger integration services.", "supply merger interaction series.", "supply merger integration server.", "supply market integration series.", "supply matter integration series.", "supply emergence 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 cost integrationstheorie 2.") or ("supply merger integration series."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("supply cost integrationstheorie 2.") OR ("supply merger integration series.")).
• Removing quotes may allow a broader search: (( supply cost integrationstheorie 2. ) or ( supply merger integration series. )).
• Adding a wildcard symbol may retrieve word variants: (("supply cost integrationstheorie 2.") or ("supply merger integration series."))*.