Perhaps you should try some spelling variations:
integration efforts » international efforts, conservation efforts
generation reforms » generation records, federation reform, generation platforms
cost integration » post integration, test integration, about integration
bias generation » gas generation, biomass generation, bassa generation
survey bias » survey based
supply cost » supply costs

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

• Removing quotes may allow a broader search: (( survey bias generation reforms. ) or ( supply cost integration efforts. )).