Perhaps you should try some spelling variations:
regional participation » digital participation, electoral participation, social participation
participation services » participation series, participation articles, participation references
integrated services » internet services
model integrated » model integrate, model integration, models integrating
palm regional » ram regional, from regional, term regional
pills model » pillar model, itls model, gplpls model

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: (( pills model integrated services ) OR ( palm regional participation services ))~.
• Adding a wildcard symbol may retrieve word variants: (( pills model integrated services ) or ( palm regional participation services ))*.