Perhaps you should try some spelling variations:
integration efforts » international efforts, conservation efforts
integration through » innovation through
urban integration » european integration, urban migration, chain integration
duty integration » dutch integration, data integration, why integration
support urban » support carbon, report urban, supply urban
import duty » import duties

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: (( import duty integration efforts. ) OR ( support urban integration through. ))~.
• Adding a wildcard symbol may retrieve word variants: (( import duty integration efforts. ) or ( support urban integration through. ))*.