Perhaps you should try some spelling variations:
integration through » innovation through
school integration » school reintegration, school integrating, school interactions
freie internet » create internet, from internet, pre internet
support freie » support fresh, support from
supply school » supplies school, support school, supply shock
service. » services.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( support freie internet service. ) or ( supply school integration through. ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( support freie internet service. ) OR ( supply school integration through. )).
• Adding a wildcard symbol may retrieve word variants: (( support freie internet service. ) or ( supply school integration through. ))*.