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."
"serie politica publicad." » "serie politicas publicad.", "serie politica publica.", "serie politica publicas.", "serie policiaca publicad.", "sobre politica publicad.", "elite politica publicad."
"serie politicas public." » "serie politicas publicas.", "serie politicas publicad.", "serie politica publica.", "serie policiaca public.", "serie policiacas public.", "sobre politicas public.", "elite 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 politicas publica.") or ("serie politica publicad."))) or ("serie politicas public."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("sobre politicas publica.") OR ("serie politica publicad."))) OR ("serie politicas public.")).
• Removing quotes may allow a broader search: (((( sobre politicas publica. ) or ( serie politica publicad. ))) or ( serie politicas public. )).
• Adding a wildcard symbol may retrieve word variants: (((("sobre politicas publica.") or ("serie politica publicad."))) or ("serie politicas public."))*.