Perhaps you should try some spelling variations:
"literatura del _ islam." » "literatura de _ islam."
"literatura del al islam." » "literatura de al islam.", "literatura del el islam.", "literatura del del islam.", "literatura del e islam.", "literatura del als islam.", "literatura del alma islam.", "literatura del alto islam."
"literatura en ddel islam." » "literatura de ddel islam.", "literatura espana ddel islam.", "literatura en del islam.", "literatura en el islam.", "literatura en de islam."

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("literatura del _ islam.") or ("literatura del al islam."))) or ("literatura en ddel islam."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("literatura del _ islam.") OR ("literatura del al islam."))) OR ("literatura en ddel islam."))*.
• Removing quotes may allow a broader search: (((( literatura del _ islam. ) or ( literatura del al islam. ))) or ( literatura en ddel islam. ))*.