Perhaps you should try some spelling variations:
integrationspolitik series » integrationspolitik soziale, integrationspolitik hans, integrationspolitik i
und integrationspolitik » der integrationspolitik, als integrationspolitik, die integrationspolitik
labour migration » labor migration
out migration » net migration, 2 migration, 3 migration

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

• Performing a fuzzy search may retrieve terms with similar spellings: (studien OR studies) ((out migration) OR (labour migration))- und integrationspolitik series~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(studien OR studies) ((out migration) OR (labour migration))- und integrationspolitik series".
• Adding a wildcard symbol may retrieve word variants: (studien OR studies) ((out migration) OR (labour migration))- und integrationspolitik series*.