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