Perhaps you should try some spelling variations:
estimate interventions » state interventions, climate interventions, state intervention
interventions having » interventions paving, interventions making, interventions taking
getting services » testing services, heating services, meeting services
support estimate » support climate, support state, supports climate
support 2006 » support 2002, support 2000, support 2.6
2006 getting » 2016 getting, 2006 creating, 2006 beijing

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( support 2006 getting services. ) or ( support estimate interventions having. ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( support 2006 getting services. ) OR ( support estimate interventions having. )).
• Adding a wildcard symbol may retrieve word variants: (( support 2006 getting services. ) or ( support estimate interventions having. ))*.