Perhaps you should try some spelling variations:
"serie politica publica." » "serie politicas publicas.", "serie politicas publica.", "serie policiaca publica.", "sobre politica publica."
"elite politica para." » "elites politicas para.", "etica politica para.", "entre politica para.", "elite politicas para.", "elite politica agraria."
"sobre publica publicaciones." » "sobre publico publicaciones.", "obra publica publicaciones.", "hombre publico publicaciones."

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