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