Perhaps you should try some spelling variations:
"serie policiacas public." » "serie politicas publicas.", "serie politicas publicad.", "serie politica publica.", "serie policiaca public.", "serie politica public.", "series politicas public."
"serie politicas publica." » "serie politicas publicas.", "serie politicas publicad.", "serie politica publica.", "serie policiaca publica."
"sobre politica publicas." » "sobre politicas publicas.", "sobre politica publica.", "sobre politica publicaciones."

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