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