Perhaps you should try some spelling variations:
"sobre politica publicas." » "sobre politica publica.", "sobre politica publicaciones.", "sobre politicas publicas."
"serie politicas publicas." » "serie politicas publicadas.", "serie politica publicaas.", "serie politicas pabloas.", "serie policiaca publicas."
"elite politicas public." » "elite politicas publicad.", "elite politica publica.", "elite politicas pablo.", "elites politicas public.", "elite politica public.", "elite politico public."

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 publicas.") or ("sobre politica publicas."))) or ("elite politicas public."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("serie politicas publicas.") OR ("sobre politica publicas."))) OR ("elite politicas public."))*.
• Removing quotes may allow a broader search: (((( serie politicas publicas. ) or ( sobre politica publicas. ))) or ( elite politicas public. ))*.