Perhaps you should try some spelling variations:
"serie policiacas public." » "serie politicas publicas.", "serie politicas publicad.", "serie policiaca public.", "serie politicas public.", "serie politica public."
"sobre politica publica." » "sobre politicas publicas.", "sobre politicas publica."
"series politicas public." » "serie politicas public.", "series political public.", "serie politica public.", "series politicas publicas.", "series politicas publicad.", "series politica publicas."

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