Perhaps you should try some spelling variations:
"sobre politicas publicad." » "sobre politicas publicas.", "sobre politica publica.", "sobre politicos republica.", "sobre politicas publicasad.", "sobre politica publicaad.", "sobre politicas pabload.", "sobre politica publicad."
"serie politica publicas." » "serie politicas publicas.", "serie politica publica.", "serie politica publicaciones.", "serie policiaca publicas.", "sobre politica publicas.", "elite politica publicas."
"serie politicas public." » "serie politicas publicas.", "serie politica publica.", "serie politicas pablo.", "serie policiaca public.", "serie policiacas public.", "sobre politicas public.", "elite politicas 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 politica publicas.") or ("serie politicas public."))) or ("sobre politicas publicad."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("serie politica publicas.") OR ("serie politicas public."))) OR ("sobre politicas publicad.")).
• Removing quotes may allow a broader search: (((( serie politica publicas. ) or ( serie politicas public. ))) or ( sobre politicas publicad. )).
• Adding a wildcard symbol may retrieve word variants: (((("serie politica publicas.") or ("serie politicas public."))) or ("sobre politicas publicad."))*.