Perhaps you should try some spelling variations:
"literatura breve de isaac." » "literatura en de isaac.", "literatura del de isaac."
"literatura e e islam." » "literatura en e islam.", "literatura del e islam.", "literatura e el islam.", "literatura e e islas.", "literatura e del islam.", "literatura de e islam.", "literatura e de islam.", "literatura el e islam.", "literatura e e islasm."
"literatura de la isla." » "literatura de la islas."

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: (((("literatura e e islam.") or ("literatura breve de isaac."))) or ("literatura de la isla."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("literatura e e islam.") OR ("literatura breve de isaac."))) OR ("literatura de la isla.")).
• Removing quotes may allow a broader search: (((( literatura e e islam. ) or ( literatura breve de isaac. ))) or ( literatura de la isla. )).
• Adding a wildcard symbol may retrieve word variants: (((("literatura e e islam.") or ("literatura breve de isaac."))) or ("literatura de la isla."))*.