Perhaps you should try some spelling variations:
"serie politicas publicaa." » "serie politicas publicas.", "serie politica publica.", "serie politica publicas.", "serie policiaca publicaa."
"serie politicas publicad." » "serie politicas publicas.", "serie politica publica.", "serie politica publicas.", "serie policiaca publicad."
"sobre politica public." » "sobre politica publica.", "sobre politica publicas.", "sobre politico publico.", "sobre politicas public."

Try widening your search to All Fields.

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 public.") or ((("serie politicas publicaa.") OR ("serie politicas publicad."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("sobre politica public.") OR ((("serie politicas publicaa.") OR ("serie politicas publicad.")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"sobre politica public.\") or (((\"serie politicas publicaa.\") OR (\"serie politicas publicad.\"))))".
• Removing quotes may allow a broader search: (( sobre politica public. ) or ((( serie politicas publicaa. ) OR ( serie politicas publicad. )))).
• Adding a wildcard symbol may retrieve word variants: (("sobre politica public.") or ((("serie politicas publicaa.") OR ("serie politicas publicad."))))*.