Perhaps you should try some spelling variations:
"sobre politica publicas." » "sobre politicas publicas.", "sobre politica publica.", "sobre politica publicaciones."
"serie politicas public." » "serie politicas publicas.", "serie politicas publicad.", "serie politica publica."
"serie policiaca public." » "serie politica publica.", "serie politico publico."

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