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

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