Perhaps you should try some spelling variations:
integration schemes » integration schengen, irrigation schemes, integration regimes
state interventions » state intervention, sanitation interventions
facto integration » factor integration, faculty integration, sector integration
support facto » support act, support vector, support action
support state » support stage, support staff, support start

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( support facto integration schemes. ) or ( support state interventions during. ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( support facto integration schemes. ) OR ( support state interventions during. )).
• Adding a wildcard symbol may retrieve word variants: (( support facto integration schemes. ) or ( support state interventions during. ))*.