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

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