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