Perhaps you should try some spelling variations:
documentos per » documentos para, documentos de, documentos el
per pianoforte » e pianoforte, de pianoforte
pozzi celebri » pezzi celebri
teatral y » teatral e, teatral de, teatro y
d perez » de perez, c perez, p perez
del pez » el pez, del peru, del pozo

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

• Performing a fuzzy search may retrieve terms with similar spellings: Biblioteca lirica : pozzi celebri ((d perez) OR (del pez)) teatral y documentos per pianoforte.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "Biblioteca lirica : pozzi celebri ((d perez) OR (del pez)) teatral y documentos per pianoforte.".
• Adding a wildcard symbol may retrieve word variants: Biblioteca lirica : pozzi celebri ((d perez) OR (del pez)) teatral y documentos per pianoforte.*.