Perhaps you should try some spelling variations:
"sobre politico publico." » "sobre politica publicas.", "sobre politico republicano.", "sobre politicos republica.", "sobre politica publico.", "sobre politicas publico.", "hombre politico publico."
"serie politica publica." » "serie politicas publicas.", "serie politica publicasa.", "serie politicas publicasa.", "serie politicas publicada.", "serie politicas publica.", "serie policiaca publica.", "sobre politica publica."
"serie politica public." » "serie politica publicas.", "serie politicas publicas.", "serie politicas publicad.", "serie politicas public.", "serie policiaca public.", "sobre politica 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: (((("serie politica publica.") or ("serie politica public."))) or ("sobre politico publico."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("serie politica publica.") OR ("serie politica public."))) OR ("sobre politico publico.")).
• Removing quotes may allow a broader search: (((( serie politica publica. ) or ( serie politica public. ))) or ( sobre politico publico. )).
• Adding a wildcard symbol may retrieve word variants: (((("serie politica publica.") or ("serie politica public."))) or ("sobre politico publico."))*.