Perhaps you should try some spelling variations:
"sobre politica publicas." » "sobre politica publica.", "sobre politica publicaciones.", "sobre politicas publicas."
"serie politicas publicas." » "serie politicas publicadas.", "serie politica publicaas.", "serie politicas pabloas.", "serie policiaca publicas."
"serie politicas public." » "serie politicas publicad.", "serie politica publica.", "serie politicas pablo.", "serie policiaca public."

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 publicas.") or ((("serie politicas public.") or ("sobre politica publicas."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("serie politicas publicas.") OR ((("serie politicas public.") OR ("sobre politica publicas."))))*.
• Removing quotes may allow a broader search: (( serie politicas publicas. ) or ((( serie politicas public. ) or ( sobre politica publicas. ))))*.