Perhaps you should try some spelling variations:
strategy interventions » state interventions, state intervention, rate interventions
interventions helping » interventions having, interventions help, interventions during
integration series » integration theories, integrating services, integration schemes
grid integration » trade integration, _ integration, data integration
support grid » support agri, support grant, support group

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

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