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