Perhaps you should try some spelling variations:
"sobre politicas publicaa." » "sobre politicas publicas.", "sobre politicas publicad.", "sobre politica publicas.", "sobre politicas publicasaa.", "sobre politicas publicadaa.", "sobre politica publicasaa."
"serie politicas public." » "serie politicas publicas.", "serie politicas publicad.", "serie politica publicas.", "serie policiaca public."
"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: (("serie politicas public.") or ((("sobre politicas publicaa.") or ("sobre politica publica."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("serie politicas public.") OR ((("sobre politicas publicaa.") OR ("sobre politica publica."))))*.
• Removing quotes may allow a broader search: (( serie politicas public. ) or ((( sobre politicas publicaa. ) or ( sobre politica publica. ))))*.