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

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 publica.") or ("serie politicas public."))) or ("sobre politica publicas."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("serie politica publica.") OR ("serie politicas public."))) OR ("sobre politica publicas."))*.
• Removing quotes may allow a broader search: (((( serie politica publica. ) or ( serie politicas public. ))) or ( sobre politica publicas. ))*.