Perhaps you should try some spelling variations:
"serie policiaca publica." » "serie politica publica.", "serie politica publicas.", "serie politicas publicas."
"elites politicas juan." » "limites politicos juan.", "las politicas juan.", "ideas politicas juan.", "elites politica juan.", "elites politico juan.", "elites politicas jaume."
"elites politicas diana." » "limites politicos diana.", "las politicas diana.", "ideas politicas diana.", "elites politica diana.", "elites politicas espana.", "elites politica indiana."

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