Perhaps you should try some spelling variations:
"libre{acute}ias." » "libro{acute}ias.", "libre{acute}vias."
"librer{acute}dios." » "libror{acute}dios.", "librero{acute}dios.", "llibrer{acute}dios.", "libres{acute}dios.", "librer{acute}dos.", "librer{acute}rios."
"llibro{acute}ias." » "llibro{acute}vias.", "libro{acute}ias.", "elibro{acute}ias.", "llibre{acute}ias."
"llibro{acute}dias." » "llibro{acute}dvias.", "libro{acute}dias.", "elibro{acute}dias.", "llibre{acute}dias.", "llibro{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: (("libre{acute}ias." or ("llibro{acute}ias." OR "llibro{acute}dias.")) or "librer{acute}dios.")~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("libre{acute}ias." OR ("llibro{acute}ias." OR "llibro{acute}dias.")) OR "librer{acute}dios.").
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"libre{acute}ias.\" or (\"llibro{acute}ias.\" OR \"llibro{acute}dias.\")) or \"librer{acute}dios.\")".
• Removing quotes may allow a broader search: (( libre{acute}ias. or ( llibro{acute}ias. OR llibro{acute}dias. )) or librer{acute}dios. ).
• Adding a wildcard symbol may retrieve word variants: (("libre{acute}ias." or ("llibro{acute}ias." OR "llibro{acute}dias.")) or "librer{acute}dios.")*.