Perhaps you should try some spelling variations:
"serie politicas publica." » "serie politicas publicas.", "serie politicas publicad.", "serie politica publica.", "serie policiaca publica."
"sobre politica publico." » "sobre politica publica.", "sobre politica publicas.", "sobre politicas publicas.", "sobre politicas publico."
"hombre politico publico." » "hombre politica publica.", "hombre politica publicas.", "hombre politico republicano.", "combate politico publico.", "hombre primitivo 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: (((("sobre politica publico.") or ("hombre politico publico."))) or ("serie politicas publica."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("sobre politica publico.") OR ("hombre politico publico."))) OR ("serie politicas publica.")).
• Removing quotes may allow a broader search: (((( sobre politica publico. ) or ( hombre politico publico. ))) or ( serie politicas publica. )).
• Adding a wildcard symbol may retrieve word variants: (((("sobre politica publico.") or ("hombre politico publico."))) or ("serie politicas publica."))*.