Perhaps you should try some spelling variations:
"serie clinica publicaciones." » "serie clasica publicaciones.", "serie quimica publicaciones.", "serie botanica publicaciones.", "muerte clinica publicaciones.", "serie cronicas publicaciones."
"elite politica publica." » "elite politicas publicas.", "elites politicas publica.", "etica politica publica.", "entre politica publica."
"serie politica al." » "serie politicas al.", "serie policiaca al.", "sobre politica al.", "serie politica a.", "serie politica _.", "serie politica con."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("serie politica al.") or ("serie clinica publicaciones."))) or ("elite politica publica."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("serie politica al.") OR ("serie clinica publicaciones."))) OR ("elite politica publica."))*.
• Removing quotes may allow a broader search: (((( serie politica al. ) or ( serie clinica publicaciones. ))) or ( elite politica publica. ))*.