Perhaps you should try some spelling variations:
"librer{acute}ias." » "llibrer{acute}ias.", "libre{acute}ias.", "libres{acute}ias.", "librer{acute}dias.", "librer{acute}vias."
"librer{acute}diaz." » "llibrer{acute}diaz.", "libre{acute}diaz.", "libres{acute}diaz."
"librero{acute}dvias." » "llibrero{acute}dvias.", "libreo{acute}dvias.", "libreso{acute}dvias.", "librero{acute}dvdias.", "librero{acute}dvvias.", "libreros{acute}dvias.", "libreria{acute}dvias.", "librero{acute}dias.", "librero{acute}vias."
"librer{acute}dios." » "llibrer{acute}dios.", "libre{acute}dios.", "libres{acute}dios.", "librer{acute}dos.", "librer{acute}rios."

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}diaz.") or ("librero{acute}dvias." or "librer{acute}dios."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("librer{acute}ias." OR "librer{acute}diaz.") OR ("librero{acute}dvias." OR "librer{acute}dios.")).
• Removing quotes may allow a broader search: (( librer{acute}ias. or librer{acute}diaz. ) or ( librero{acute}dvias. or librer{acute}dios. )).
• Adding a wildcard symbol may retrieve word variants: (("librer{acute}ias." or "librer{acute}diaz.") or ("librero{acute}dvias." or "librer{acute}dios."))*.