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

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)))).
• Adding a wildcard symbol may retrieve word variants: ((prophet's mission) or (((european emission) or (europe's migration))))*.