Perhaps you should try some spelling variations:
"serie politicas publicad." » "serie politicas publicas.", "serie politica publica.", "serie politicos republica.", "serie policiaca publicad."
"sobre politica publicas." » "sobre politicas publicas.", "sobre politica publica.", "sobre politica publicaciones."
"etica politica publicas." » "etica politicas publicas.", "etica politica publica.", "etica politica publicaciones.", "publica politica publicas."

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