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