Perhaps you should try some spelling variations:
"llibrero{acute}ias." » "librero{acute}ias.", "llibrer{acute}ias.", "llibreria{acute}ias.", "llibrero{acute}dias.", "llibreroo{acute}ias.", "lllibrero{acute}ias.", "llibreo{acute}ias."
"librer{acute}vias." » "librer{acute}vdias.", "librero{acute}vias.", "llibrer{acute}vias.", "libre{acute}vias.", "librer{acute}via.", "librer{acute}dias.", "librer{acute}vial."
"librer{acute}rios." » "librero{acute}rios.", "llibrer{acute}rios.", "libre{acute}rios.", "librer{acute}rio."

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