Perhaps you should try some spelling variations:
"sobre politica publicas." » "sobre politicas publicas.", "sobre politica publicaciones.", "sobre politicas publicass.", "sobre politico publicoas.", "sobre politicas publicasas.", "sobre politicas publicadas."
"serie politica publica." » "serie politicas publicas.", "serie politico publicoa.", "serie politicas publicasa.", "serie politicas publicada.", "serie politicas publica.", "serie policiaca publica.", "elite politica publica."
"serie politica public." » "serie politico publico.", "serie politicas publicas.", "serie politicas publicad.", "serie politicas public.", "serie policiaca public.", "elite politica 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 politica public.") or ("serie politica publica."))) or ("sobre politica publicas."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("serie politica public.") OR ("serie politica publica."))) OR ("sobre politica publicas."))*.
• Removing quotes may allow a broader search: (((( serie politica public. ) or ( serie politica publica. ))) or ( sobre politica publicas. ))*.