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