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