Perhaps you should try some spelling variations:
integration efforts » international efforts, conservation efforts
operation services » operations services, operational services, generation services
school integration » school reintegration, school integrating, school interactions
survey school » survey tool, sydney school
supply co » supply ch, supply cost, supply cold

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

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