Perhaps you should try some spelling variations:
european federation » european integration
europe's migration » european migration, europe emigration, european immigration
prophet's mission » europe's mission
european emission » european commission, european dimension, european expansion
europe migration » europe emigration, european migration, european immigration

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: ((prophet's mission) OR (((european emission) OR (((((europe's migration) OR (europe migration))) OR (european federation)))))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((prophet's mission) or (((european emission) or (((((europe's migration) OR (europe migration))) or (european federation))))))".
• Adding a wildcard symbol may retrieve word variants: ((prophet's mission) or (((european emission) or (((((europe's migration) OR (europe migration))) or (european federation))))))*.