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

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