Perhaps you should try some spelling variations:
de documentos » de docentes, de argumentos, el documento
documentos de » documento de, docentes de, documento y
perez teatro » perez trento
teatro de » teatral de, centro de, dentro de
pozzi » pozzio, cozzi
tozzi » cozzi
diaz » dias, dia

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "Biblioteca lirica : (pozzi OR tozzi) celebre diaz perez teatro de documentos de pianoforte.~".
• Adding a wildcard symbol may retrieve word variants: Biblioteca lirica : (pozzi OR tozzi) celebre diaz perez teatro de documentos de pianoforte.*.