Perhaps you should try some spelling variations:
"tristes politicas publicas." » "crisis politicas publicas.", "elites politicas publicas.", "existen politicas publicas.", "tristes politicas public.", "tristes politicas publico."
"serie politicas pablo." » "serie policiaca pablo.", "serie politica pablo.", "serie politicas para.", "serie politicas paz."
"elite politica publica." » "elites politicas publica.", "etica politica publica.", "entre politica publica."

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: (("serie politicas pablo.") or ((("elite politica publica.") or ("tristes politicas publicas."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("serie politicas pablo.") OR ((("elite politica publica.") OR ("tristes politicas publicas.")))).
• Removing quotes may allow a broader search: (( serie politicas pablo. ) or ((( elite politica publica. ) or ( tristes politicas publicas. )))).
• Adding a wildcard symbol may retrieve word variants: (("serie politicas pablo.") or ((("elite politica publica.") or ("tristes politicas publicas."))))*.