Perhaps you should try some spelling variations:
"sobre politicas publica." » "sobre politicas publicas.", "sobre politicas publicad.", "sobre politica publicas.", "serie politicas publica."
"limites politicos publica." » "lideres politicos publica.", "debates politicos publica.", "limites juridicos publica.", "limites politicos republica.", "limites politicas publicas.", "limites politicas publicad."
"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: (((("sobre politica publica.") or ("sobre politicas publica."))) or ("limites politicos publica."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("sobre politica publica.") OR ("sobre politicas publica."))) OR ("limites politicos publica.")).
• Removing quotes may allow a broader search: (((( sobre politica publica. ) or ( sobre politicas publica. ))) or ( limites politicos publica. )).
• Adding a wildcard symbol may retrieve word variants: (((("sobre politica publica.") or ("sobre politicas publica."))) or ("limites politicos publica."))*.