Perhaps you should try some spelling variations:
"sobre politica publica." » "sobre politicas publicas.", "sobre politicas publica."
"ideas politicas public." » "ideas politicas publicas.", "ideas politicas publicad.", "ideas politica publicas.", "las politicas public.", "ideologias politicas public."
"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 politica publica."))) or ("ideas politicas public."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("serie politicas pablo.") OR ("sobre politica publica."))) OR ("ideas politicas public."))*.
• Removing quotes may allow a broader search: (((( serie politicas pablo. ) or ( sobre politica publica. ))) or ( ideas politicas public. ))*.