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