Perhaps you should try some spelling variations:
"librer{acute}ias." » "librero{acute}ias.", "llibrer{acute}ias.", "libres{acute}ias.", "librer{acute}dias.", "libror{acute}ias."
"librer{acute}diaz." » "librero{acute}diaz.", "llibrer{acute}diaz.", "libres{acute}diaz.", "libror{acute}diaz."
"llibroro{acute}vias." » "llibroro{acute}vdias.", "librero{acute}vias.", "llibrer{acute}vias.", "llibroro{acute}via.", "llibroro{acute}dias.", "llibroro{acute}vial."
"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}ias." or ("librer{acute}diaz." or "libre{acute}diaz.")) or "llibroro{acute}vias.")~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("librer{acute}ias." OR ("librer{acute}diaz." OR "libre{acute}diaz.")) OR "llibroro{acute}vias.").
• Removing quotes may allow a broader search: (( librer{acute}ias. or ( librer{acute}diaz. or libre{acute}diaz. )) or llibroro{acute}vias. ).
• Adding a wildcard symbol may retrieve word variants: (("librer{acute}ias." or ("librer{acute}diaz." or "libre{acute}diaz.")) or "llibroro{acute}vias.")*.