Perhaps you should try some spelling variations:
politicas republicano » politicas republicanas, politico republicano, politica republicana
politica publicas » politicas publicas, politica publica, politica publicaciones
series politicas » serie politicas, series political, especies politicas
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: (( series politicas republicano. ) OR ( serie politica publicas. ))~.
• Adding a wildcard symbol may retrieve word variants: (( series politicas republicano. ) or ( serie politica publicas. ))*.