Perhaps you should try some spelling variations:
politica publicaciones » clinica publicaciones, publica publicaciones, quimica publicaciones
policiacas publicas » politicas publicas, politicas publicad, politica publica
politica publicas » politicas publicas, politica publica
serie policiacas » serie policiaca, serie politicas, serie 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 ((politica publicas) OR (politica publicaciones)). ) OR ( serie policiacas publicas. ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( serie ((politica publicas) OR (politica publicaciones)). ) or ( serie policiacas publicas. ))~".
• Adding a wildcard symbol may retrieve word variants: (( serie ((politica publicas) OR (politica publicaciones)). ) or ( serie policiacas publicas. ))*.