Perhaps you should try some spelling variations:
de documentos » de docentes, de argumentos, el documento
documentos e » documento de, documento y, documental en
teatral de » central de
de opera » de colera, de oferta, de obra
pozzi » cozzi, tozzi
pozzio » cozzio, tozzio
celebro » cerebro, celebre, celebra

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 pozzio) celebro de opera teatral de documentos e pianoforte.~".
• Adding a wildcard symbol may retrieve word variants: Biblioteca lirica : (pozzi OR pozzio) celebro de opera teatral de documentos e pianoforte.*.