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