Perhaps you should try some spelling variations:
"supply chain integrationstheorie 2." » "supply eine integrationstheorie 2.", "supply der integrationstheorie 2.", "supply chain integrationstheorie fur.", "supply chain integration theories.", "supply chain interpretationstheorie 2."
"supply case interaction series." » "supply case interactions series.", "supply case interaction studies.", "supply case interaction terms.", "supply cases interaction series.", "supply based interaction series.", "supply scale interaction series.", "supply cost interaction series.", "supply curve interaction series.", "supply costs interaction 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 case interaction series.") or ("supply chain integrationstheorie 2."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("supply case interaction series.") OR ("supply chain integrationstheorie 2."))*.
• Removing quotes may allow a broader search: (( supply case interaction series. ) or ( supply chain integrationstheorie 2. ))*.