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

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