Perhaps you should try some spelling variations:
"sobre politica publicaa." » "sobre politica publica.", "sobre politica publicas.", "sobre politicas publicas.", "sobre politicas publicaa."
"serie politicas public." » "serie politicas publicas.", "serie politicas publicad.", "serie politica publica."
"serie policiaca public." » "serie politica publica.", "serie politica publicas.", "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: (((("serie politicas public.") or ("serie policiaca public."))) or ("sobre politica publicaa."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("serie politicas public.") OR ("serie policiaca public."))) OR ("sobre politica publicaa."))*.
• Removing quotes may allow a broader search: (((( serie politicas public. ) or ( serie policiaca public. ))) or ( sobre politica publicaa. ))*.