Perhaps you should try some spelling variations:
"lenguaje espanola materiales de lectura." » "lenguaje espanol materiales de lectura.", "lenguas espanol materiales de lectura.", "lengua espanol materiales de lectura."
"lengua espanola materiales la lectura." » "lengua espanola materiales a lectura.", "lengua espanola materiales los lectura.", "lengua espanola materiales san lectura.", "lengua espanola materiales una lectura."

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: (("lenguaje espanola materiales de lectura.") or ("lengua espanola materiales la lectura."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("lenguaje espanola materiales de lectura.") OR ("lengua espanola materiales la lectura.")).
• Removing quotes may allow a broader search: (( lenguaje espanola materiales de lectura. ) or ( lengua espanola materiales la lectura. )).
• Adding a wildcard symbol may retrieve word variants: (("lenguaje espanola materiales de lectura.") or ("lengua espanola materiales la lectura."))*.