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."
"support toward integrating policies." » "support toward integration policies.", "support toward integrated policies.", "support toward integrating positive.", "support towards integration policies.", "support towards integrated policies."

Try widening your search to All Fields.

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

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