Perhaps you should try some spelling variations:
"serie politica publicas." » "serie politicas publicas.", "serie politica publicaciones.", "serie politicas publicass.", "serie policiaca publicas.", "sobre politica publicas."
"sobre politico mexicano." » "sobre politica mexicana.", "sobre politica mexico.", "sobre politicos mexico.", "sobre politica mexicano.", "sobre politicas mexicano.", "hombre politico mexicano."
"serie politica publica." » "serie politicas publicas.", "serie politicas publica.", "serie policiaca publica.", "sobre politica publica."

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 ("sobre politico mexicano."))) or ("serie politica publica."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("serie politica publicas.") OR ("sobre politico mexicano."))) OR ("serie politica publica.")).
• Removing quotes may allow a broader search: (((( serie politica publicas. ) or ( sobre politico mexicano. ))) or ( serie politica publica. )).
• Adding a wildcard symbol may retrieve word variants: (((("serie politica publicas.") or ("sobre politico mexicano."))) or ("serie politica publica."))*.