Perhaps you should try some spelling variations:
"sobre politicas public." » "sobre politicas publicas.", "sobre politicas publicad.", "sobre politica publicas.", "sobre politica public."
"serie politica publica." » "serie politicas publicas.", "serie policiaca publica.", "sobre politica publica.", "elite politica publica."
"serie politicas pablo." » "serie policiaca pablo.", "serie politica pablo.", "serie politicas para.", "serie politicas paz.", "serie policiacas pablo.", "sobre politicas pablo.", "elite politicas pablo."

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