Perhaps you should try some spelling variations:
integration schemes » integration schengen, integration regimes, integration some
irrigation schemes » irrigation scheme, irrigation systems
facto integration » factor integration, faculty integration, sector integration
supply facto » supply factors, supply sector, supply data
supply scale » supply case, supply scheme, supply social

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 facto integration schemes. ) OR ( supply scale irrigation schemes. ))~.
• Adding a wildcard symbol may retrieve word variants: (( supply facto integration schemes. ) or ( supply scale irrigation schemes. ))*.