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

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