Perhaps you should try some spelling variations:
"llibrer{acute}ias." » "llibre{acute}ias.", "llibres{acute}ias.", "llibreria{acute}ias.", "llibrero{acute}ias."
"librer{acute}dias." » "librero{acute}dias.", "libre{acute}dias.", "libres{acute}dias.", "librer{acute}diaz.", "librer{acute}dios."
"librer{acute}vias." » "librero{acute}vias.", "libre{acute}vias.", "libres{acute}vias.", "librer{acute}via."
"librer{acute}vial." » "librero{acute}vial.", "libre{acute}vial.", "libres{acute}vial.", "librer{acute}vidal.", "librer{acute}via."

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