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