Perhaps you should try some spelling variations:
"limites politicos julia." » "lideres politicos julia.", "debates politicos julia.", "limites juridicos julia.", "limites politico julia.", "limites politicos una.", "limites politicos la."
"serie policiaca publica." » "serie politica publica.", "serie politica publicas.", "serie politicas publicas."
"elites politicas julia." » "las politicas julia.", "ideas politicas julia.", "relaciones politicas julia.", "elites politico julia.", "elites politicas la.", "elites politicas asia."

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

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