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

You may be able to get more results by adjusting your search query.

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