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

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