Perhaps you should try some spelling variations:
"literatura de ddel islam." » "literatura de del islam.", "literatura de el islam.", "literatura de de islam.", "literatura de dde islam.", "literatura de dades islam."
"literatura de fe islam." » "literatura de e islam.", "literatura de de islam.", "literatura de del islam."
"literatura de a islam." » "literatura de al islam.", "literatura de e islam.", "literatura de _ islam.", "literatura de la islam."

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