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