Perhaps you should try some spelling variations:
"supply trade integrationstheorie 2." » "supply der integrationstheorie 2.", "supply eine integrationstheorie 2.", "supply traditionelle integrationstheorie 2.", "supply trade integrationstheorie fur.", "supply trade integration theories.", "supply trade interpretationstheorie 2.", "supply case integrationstheorie 2."
"supply 2 integrating policies." » "supply 2 integration policies.", "supply 2 integrated policies.", "supply 2 integrating positive.", "supply _ integrating policies.", "supply 4 integrating policies.", "supply 6 integrating policies.", "supply a integrating policies.", "supply 3 integrating policies."

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

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