Perhaps you should try some spelling variations:
"sobre politicas publica." » "sobre politicas publicas.", "sobre politicas publicad.", "sobre politica publica.", "sobre politicas publicasa.", "sobre politicas publicada.", "sobre politica publicaa."
"series political public." » "series politicas public.", "serie politica public.", "crises political public.", "series politica publica.", "series politicas publicas.", "series politicas publicad."
"serie politicas public." » "serie politicas publicas.", "serie politicas publicad.", "serie politica publica.", "serie policiaca public."

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

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