Perhaps you should try some spelling variations:
"supply figure integrationstheorie 2." » "supply eine integrationstheorie 2.", "supply der integrationstheorie 2.", "supply revidierte integrationstheorie 2.", "supply figure integrationstheorie fur.", "supply figure integration theories.", "supply figure interpretationstheorie 2."
"supply gaps integrating policies." » "supply gaps integration policies.", "supply gaps integrated policies.", "supply gaps integrating positive.", "supply _ integrating policies.", "supply 4 integrating policies.", "supply 6 integrating policies.", "supply gap integrating policies.", "supply gas integrating policies."

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("supply figure integrationstheorie 2.") or ("supply gaps integrating policies."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("supply figure integrationstheorie 2.") OR ("supply gaps integrating policies.")).
• Removing quotes may allow a broader search: (( supply figure integrationstheorie 2. ) or ( supply gaps integrating policies. )).
• Adding a wildcard symbol may retrieve word variants: (("supply figure integrationstheorie 2.") or ("supply gaps integrating policies."))*.