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."
"serie politicas public." » "serie politicas publicas.", "serie politicas publicad.", "serie politica publica.", "serie policiaca public.", "serie policiacas public.", "sobre politicas public.", "elite politicas public."
"serie politica public." » "serie politica publica.", "serie politica publicas.", "serie politico publico.", "serie policiaca public.", "sobre politica public.", "elite politica public."

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 politica public.") OR ("serie politicas public."))) or ("serie clinica publicaciones."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("serie politica public.") OR ("serie politicas public."))) OR ("serie clinica publicaciones.")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"serie politica public.\") OR (\"serie politicas public.\"))) or (\"serie clinica publicaciones.\"))".
• Removing quotes may allow a broader search: (((( serie politica public. ) OR ( serie politicas public. ))) or ( serie clinica publicaciones. )).
• Adding a wildcard symbol may retrieve word variants: (((("serie politica public.") OR ("serie politicas public."))) or ("serie clinica publicaciones."))*.