Perhaps you should try some spelling variations:
policiacas publica » politicas publicas, politica publica, politica publicas
politicas publicad » politicas publicas, politica publica, politica publicas
politica publicass » politica publicas, politicas publicas, politica publica
serie politica » serie politicas, serie policiaca, sobre politica

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 ((policiacas publica) OR (politicas publicad)). ) OR ( serie politica publicass. ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( serie ((policiacas publica) OR (politicas publicad)). ) or ( serie politica publicass. ))~".
• Adding a wildcard symbol may retrieve word variants: (( serie ((policiacas publica) OR (politicas publicad)). ) or ( serie politica publicass. ))*.