Perhaps you should try some spelling variations:
"sobre politicos republica." » "sobre politico republicano.", "sobre criticos republica.", "sobre politicas republicanas.", "sobre politicas republica.", "sobre politica republica.", "socio politicos republica.", "sobre politicass republica.", "hombre politicos republica."
"serie politica publica." » "serie politicas publicas.", "serie politicas publica.", "serie policiaca publica.", "sobre politica publica."
"sobre politico publico." » "sobre politica publicas.", "sobre politico republicano.", "sobre politicas publicas.", "sobre politica publico.", "sobre politicas publico.", "hombre politico publico."

Try widening your search to All Fields.

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

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