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