Perhaps you should try some spelling variations:
"class political publico." » "class politico publico.", "class politicas publicas.", "class politicas publicad.", "clases political publico.", "clase political publico."
"serie politica publicas." » "serie politicas publicas.", "serie politica publicaciones.", "serie politicas publicass.", "serie policiaca publicas.", "elite politica publicas."
"sobre politica publica." » "sobre politicas publicas.", "sobre politicas publica."

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