Perhaps you should try some spelling variations:
"librer{acute}diaz." » "librero{acute}diaz.", "libres{acute}diaz.", "liber{acute}diaz.", "libror{acute}diaz."
"llibrer{acute}ias." » "llibrero{acute}ias.", "llibres{acute}ias.", "lliber{acute}ias.", "llibror{acute}ias.", "llibre{acute}ias.", "llibreria{acute}ias.", "llibrer{acute}dias.", "llibrer{acute}vias."
"librer{acute}dios." » "librero{acute}dios.", "libres{acute}dios.", "liber{acute}dios.", "libror{acute}dios.", "librer{acute}dos.", "librer{acute}rios."
"libre{acute}diaz." » "libro{acute}diaz."

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: ((("librer{acute}diaz." OR "libre{acute}diaz.") or "llibrer{acute}ias.") or "librer{acute}dios.")~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((("librer{acute}diaz." OR "libre{acute}diaz.") OR "llibrer{acute}ias.") OR "librer{acute}dios.").
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((\"librer{acute}diaz.\" OR \"libre{acute}diaz.\") or \"llibrer{acute}ias.\") or \"librer{acute}dios.\")".
• Removing quotes may allow a broader search: ((( librer{acute}diaz. OR libre{acute}diaz. ) or llibrer{acute}ias. ) or librer{acute}dios. ).
• Adding a wildcard symbol may retrieve word variants: ((("librer{acute}diaz." OR "libre{acute}diaz.") or "llibrer{acute}ias.") or "librer{acute}dios.")*.