Perhaps you should try some spelling variations:
"serie politicas publica." » "serie politicas publicas.", "serie politicas publicad.", "serie politica publicas.", "serie policiaca publica.", "serie policiacas publica.", "sobre politicas publica.", "elite politicas publica."
"serie politica publica." » "serie politicas publicas.", "serie policiaca publica.", "sobre politica publica.", "elite politica publica."
"elite politico juan." » "elite politica juan.", "delito politico juan.", "elites politicas juan.", "elite politico en.", "elite politico la."

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("elite politico juan.") or ((("serie politica publica.") OR ("serie politicas publica."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("elite politico juan.") OR ((("serie politica publica.") OR ("serie politicas publica.")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"elite politico juan.\") or (((\"serie politica publica.\") OR (\"serie politicas publica.\"))))".
• Removing quotes may allow a broader search: (( elite politico juan. ) or ((( serie politica publica. ) OR ( serie politicas publica. )))).
• Adding a wildcard symbol may retrieve word variants: (("elite politico juan.") or ((("serie politica publica.") OR ("serie politicas publica."))))*.