Perhaps you should try some spelling variations:
"cuaderno diez practicas." » "cuaderno de practicas.", "cuaderno lopez practicas.", "cuaderno siete practicas.", "cuaderno del practicas.", "cuadernos de practicas."
"cuaderno paez practicas." » "cuaderno para practicas.", "cuaderno bases practicas.", "cuaderno lopez practicas.", "cuadernos para practicas.", "cuaderno del practicas."
"cuaderno dia practicas." » "cuaderno de practicas.", "cuaderno ii practicas.", "cuaderno iv practicas.", "cuaderno del practicas.", "cuaderno la practicas."

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: (((("cuaderno diez practicas.") OR ("cuaderno dia practicas."))) or ("cuaderno paez practicas."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cuaderno diez practicas.") OR ("cuaderno dia practicas."))) OR ("cuaderno paez practicas.")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"cuaderno diez practicas.\") OR (\"cuaderno dia practicas.\"))) or (\"cuaderno paez practicas.\"))".
• Removing quotes may allow a broader search: (((( cuaderno diez practicas. ) OR ( cuaderno dia practicas. ))) or ( cuaderno paez practicas. )).
• Adding a wildcard symbol may retrieve word variants: (((("cuaderno diez practicas.") OR ("cuaderno dia practicas."))) or ("cuaderno paez practicas."))*.