Perhaps you should try some spelling variations:
"supply chain integration theories." » "supply chain integration theorems.", "supply chain integrationstheorie 2.", "supply chain integration theory."
"supply actor interaction series." » "supply actor interactions series.", "supply actor interaction studies.", "supply actor interaction terms.", "supply matter interaction series.", "supply matter interactions series.", "supply fiction interaction series.", "supply factors interaction series.", "supply sector interaction series.", "supply donor 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 chain integration theories.") or ("supply actor interaction series."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("supply chain integration theories.") OR ("supply actor interaction series.")).
• Removing quotes may allow a broader search: (( supply chain integration theories. ) or ( supply actor interaction series. )).
• Adding a wildcard symbol may retrieve word variants: (("supply chain integration theories.") or ("supply actor interaction series."))*.