Perhaps you should try some spelling variations:
politicos republica » politico republicano, criticos republica, politicas republicanas
politica publicas » politicas publicas, politica publica, politica publicaciones
politico publico » politica publica, politico republicano, politicas publicas
serie politicos » serie politicas, series politicas, serie politica

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (( serie politicos republica. ) or ( serie ((politico publico) or (politica publicas)). ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( serie politicos republica. ) OR ( serie ((politico publico) OR (politica publicas)). )).
• Adding a wildcard symbol may retrieve word variants: (( serie politicos republica. ) or ( serie ((politico publico) or (politica publicas)). ))*.