Perhaps you should try some spelling variations:
"literatura et al islam." » "literatura en al islam.", "literatura e al islam.", "literatura el al islam.", "literatura et del islam.", "literatura et e islam."
"literatura de el islam." » "literatura de fel islam.", "literatura de _l islam.", "literatura de al islam."
"literatura de e islas." » "literatura de fe islas.", "literatura de _ islas.", "literatura de a 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 et al islam.") or ("literatura de el islam."))) or ("literatura de e islas."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("literatura et al islam.") OR ("literatura de el islam."))) OR ("literatura de e islas.")).
• Removing quotes may allow a broader search: (((( literatura et al islam. ) or ( literatura de el islam. ))) or ( literatura de e islas. )).
• Adding a wildcard symbol may retrieve word variants: (((("literatura et al islam.") or ("literatura de el islam."))) or ("literatura de e islas."))*.