Perhaps you should try some spelling variations:
"sobre politica publica." » "sobre politicas publicas.", "sobre politicas publica."
"elite politica publica." » "elite politicas publicas.", "elites politicas publica.", "etica politica publica.", "entre politica publica."
"serie exilio republicano." » "ette exilio republicano.", "levil exilio republicano.", "medio exilio republicano."

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