Perhaps you should try some spelling variations:
policiaca publicas » politicas publicas, politica publica, politicas publicad
politica publicass » politicas publicas, politica publica, politicas publicad
politica publicas » politicas publicas, politica publica, politica publicaciones
elites politica » elites politicas, elite politica, elite politico

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: (( serie ((policiaca publicas) OR (politica publicass)). ) OR ( elites politica publicas. ))~.
• Adding a wildcard symbol may retrieve word variants: (( serie ((policiaca publicas) or (politica publicass)). ) or ( elites politica publicas. ))*.