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

You may be able to get more results by adjusting your search query.

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