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