Perhaps you should try some spelling variations:
figure integrationstheorie » eine integrationstheorie, der integrationstheorie, revidierte integrationstheorie
integrationstheorie 2 » integrationstheorie fur, integration theories, interpretationstheorie 2
migration policies » immigration policies, migration policy, education policies
power migration » over migration, cover migration, postwar migration
supply power » supply poverty, supplier power, supplies power

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 power migration policies. ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( supply figure integrationstheorie 2. ) OR ( supply power migration policies. )).
• Adding a wildcard symbol may retrieve word variants: (( supply figure integrationstheorie 2. ) or ( supply power migration policies. ))*.