Perhaps you should try some spelling variations:
integration schemes » integration schengen, irrigation schemes, integration regimes
migration policy » education policy
how integration » new integration, how interaction, die integration
supply now » supply crowd, supply donor
supply low » supply law, supply crowd, supply block

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 now) OR (supply low)) migration policy. ) OR ( supply how integration schemes. ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( ((supply now) OR (supply low)) migration policy. ) or ( supply how integration schemes. ))~".
• Adding a wildcard symbol may retrieve word variants: (( ((supply now) OR (supply low)) migration policy. ) or ( supply how integration schemes. ))*.