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

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("serie politica publicas.") OR ("sobre politica publica."))) OR ("ser criticos republica."))~.
• Removing quotes may allow a broader search: (((( serie politica publicas. ) or ( sobre politica publica. ))) or ( ser criticos republica. ))~.
• Adding a wildcard symbol may retrieve word variants: (((("serie politica publicas.") or ("sobre politica publica."))) or ("ser criticos republica."))*.