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

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

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