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

You may be able to get more results by adjusting your search query.

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