Perhaps you should try some spelling variations:
"elite politicas publicad." » "elite politicas publicas.", "elite politica publica.", "elite politica publicas.", "elites politicas publicad.", "elite politica publicad.", "elite politico publicad."
"serie policiaca publica." » "serie politica publica.", "serie politica publicas.", "serie politicas publicas."
"sobre politicas pablo." » "sobre politica pablo.", "serie politicas pablo.", "sobre politicas para.", "sobre politicas paz."

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("sobre politicas pablo.") or ("elite politicas publicad."))) or ("serie policiaca publica."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("sobre politicas pablo.") OR ("elite politicas publicad."))) OR ("serie policiaca publica.")).
• Removing quotes may allow a broader search: (((( sobre politicas pablo. ) or ( elite politicas publicad. ))) or ( serie policiaca publica. )).
• Adding a wildcard symbol may retrieve word variants: (((("sobre politicas pablo.") or ("elite politicas publicad."))) or ("serie policiaca publica."))*.