Perhaps you should try some spelling variations:
"serie politicas publica." » "serie politicas publicas.", "serie politicas publicad.", "serie politica publica.", "serie policiaca publica."
"entre politica publicas." » "entre politicas publicas.", "entre politica publica.", "entre politica publicaciones."
"sobre politica publicas." » "sobre politicas publicas.", "sobre politica publica.", "sobre politica publicaciones."

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