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