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

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