Perhaps you should try some spelling variations:
"supply international integration soziale." » "supply international migration soziale.", "supply international cooperation soziale.", "supply international arbitration soziale.", "security international integration soziale.", "policy international integration soziale.", "supply interruptions integration soziale.", "supply international integration social."
"supply trade integration theories." » "supply trade integration theorems.", "supply trade integrationstheorie 2.", "supply trade integration theory.", "supply case integration theories."

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 integration theories.") OR ("supply international integration soziale."))~.
• Removing quotes may allow a broader search: (( supply trade integration theories. ) or ( supply international integration soziale. ))~.
• Adding a wildcard symbol may retrieve word variants: (("supply trade integration theories.") or ("supply international integration soziale."))*.