Perhaps you should try some spelling variations:
"entre politica publicas." » "entre politicas publicas.", "entre politica publica.", "entre politica publicaciones."
"sobre politica publicas." » "sobre politicas publicas.", "sobre politica publica.", "sobre politica publicaciones."
"ser criticos publica." » "ser criticos republica.", "sus criticos publica.", "de criticos publica.", "der criticism publica."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("entre politica publicas.") or ("sobre politica publicas."))) or ("ser criticos publica."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("entre politica publicas.") OR ("sobre politica publicas."))) OR ("ser criticos publica."))*.
• Removing quotes may allow a broader search: (((( entre politica publicas. ) or ( sobre politica publicas. ))) or ( ser criticos publica. ))*.