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

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