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