Perhaps you should try some spelling variations:
integration efforts » international efforts, conservation efforts
school integration » tool integration, social integration, chain integration
innovation how » innovation house, innovation _, innovation lab
supply school » supply shock, supply scheme, survey school
supply urban » supply rural

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 school integration efforts. ) OR ( ((supply green) OR (supply urban)) innovation how. ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( supply school integration efforts. ) or ( ((supply green) OR (supply urban)) innovation how. ))~".
• Adding a wildcard symbol may retrieve word variants: (( supply school integration efforts. ) or ( ((supply green) OR (supply urban)) innovation how. ))*.