Perhaps you should try some spelling variations:
"sobre politicas publica." » "sobre politicas publicas.", "sobre politicas publicad.", "sobre politica publica.", "sobre politicas publicasa.", "sobre politicas publicada.", "sobre politica publicaa.", "serie politicas publica."
"series politicas public." » "serie politicas public.", "series political public.", "especies politicas public.", "series politicas publicas.", "series politicas publicad.", "series politica publica."
"serie politica public." » "serie politica publica.", "serie politica publicas.", "serie politico publico.", "serie politicas public.", "serie policiaca public.", "sobre politica public."

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