Perhaps you should try some spelling variations:
"serie quimica publicaciones." » "serie publica publicaciones.", "serie ciencia publicaciones.", "serie juridica publicaciones.", "serie rustica publicaciones.", "serie musica publicaciones."
"serie politica public." » "serie politica publica.", "serie politica publicas.", "serie politico publico.", "serie politicas public.", "serie policiaca public.", "elite politica public."
"sobre politica public." » "sobre politica publica.", "sobre politica publicas.", "sobre politico publico.", "sobre politicas public."

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