Perhaps you should try some spelling variations:
"serie politicas publico." » "serie politicas publicas.", "serie politicas publicad.", "serie politica publica.", "serie policiaca publico."
"limites politicos las." » "lideres politicos las.", "debates politicos las.", "limites juridicos las.", "limites politicos la.", "limites politico la.", "limites politica las."
"elites politica los." » "elites politicas los.", "elite politica los.", "elite politico los.", "elites politica las.", "elites politica la.", "elites politica a."

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 los.") or ("limites politicos las."))) or ("serie politicas publico."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("elites politica los.") OR ("limites politicos las."))) OR ("serie politicas publico."))*.
• Removing quotes may allow a broader search: (((( elites politica los. ) or ( limites politicos las. ))) or ( serie politicas publico. ))*.