Perhaps you should try some spelling variations:
"sobre politicas publicaa." » "sobre politicas publicas.", "sobre politicas publicad.", "sobre politica publica.", "sobre politica publicaa.", "serie politicas publicaa."
"serie policiaca public." » "serie politica publica.", "serie politica publicas.", "serie politico publico."
"serie politica public." » "serie politica publica.", "serie politica publicas.", "serie politico publico.", "serie politicas public.", "sobre politica 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 policiaca public."))) or ("sobre politicas publicaa."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("serie politica public.") OR ("serie policiaca public."))) OR ("sobre politicas publicaa."))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"serie politica public.\") OR (\"serie policiaca public.\"))) or (\"sobre politicas publicaa.\"))*".
• Removing quotes may allow a broader search: (((( serie politica public. ) OR ( serie policiaca public. ))) or ( sobre politicas publicaa. ))*.