Perhaps you should try some spelling variations:
"libre{acute}ias." » "libro{acute}ias.", "libre{acute}dias."
"libres{acute}vias." » "libros{acute}vias.", "libres{acute}vdias.", "libres{acute}via.", "libres{acute}dias.", "libres{acute}vial."
"llibrer{acute}diaz." » "llibror{acute}diaz.", "llibre{acute}diaz.", "librer{acute}diaz.", "llibreria{acute}diaz."
"llibres{acute}diaz." » "llibros{acute}diaz.", "llibre{acute}diaz.", "llinares{acute}diaz."

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("libre{acute}ias." or "libres{acute}vias.") or ("llibrer{acute}diaz." OR "llibres{acute}diaz."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("libre{acute}ias." OR "libres{acute}vias.") OR ("llibrer{acute}diaz." OR "llibres{acute}diaz."))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"libre{acute}ias.\" or \"libres{acute}vias.\") or (\"llibrer{acute}diaz.\" OR \"llibres{acute}diaz.\"))*".
• Removing quotes may allow a broader search: (( libre{acute}ias. or libres{acute}vias. ) or ( llibrer{acute}diaz. OR llibres{acute}diaz. ))*.