Perhaps you should try some spelling variations:
"serie politicos republica." » "serie politico republicano.", "serie criticos republica.", "serie politicas republicanas.", "serie politicas republica.", "series politicas republica.", "serie politica republica.", "serie politicass republica.", "series politicals republica."
"serie politico publico." » "serie politica publicas.", "serie politico republicano.", "serie politicas publicas.", "serie politica publico.", "serie politicas publico.", "series political publico."
"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: (((("serie politico publico.") OR ("serie politicos republica."))) or ("sobre politica publica."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("serie politico publico.") OR ("serie politicos republica."))) OR ("sobre politica publica.")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"serie politico publico.\") OR (\"serie politicos republica.\"))) or (\"sobre politica publica.\"))".
• Removing quotes may allow a broader search: (((( serie politico publico. ) OR ( serie politicos republica. ))) or ( sobre politica publica. )).
• Adding a wildcard symbol may retrieve word variants: (((("serie politico publico.") OR ("serie politicos republica."))) or ("sobre politica publica."))*.