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."
"sobre politica publica." » "sobre politicas publicas.", "sobre politicas publica."
"serie politico publico." » "serie politica publicas.", "serie politico republicano.", "serie politicas publicas.", "serie politica publico.", "serie politicas publico.", "series political publico."

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