Perhaps you should try some spelling variations:
"literatura espana el islam." » "literatura espanola el islam.", "literatura mexicana el islam.", "literatura despana el islam.", "literatura enspana el islam.", "literatura espana en islam."
"literatura del _ islam." » "literatura de _ islam.", "literatura en _ islam."
"literatura e e islas." » "literatura de e islas.", "literatura en e islas.", "literatura e de islas.", "literatura el e islas."

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 espana el islam."))) OR ("literatura e e islas."))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"literatura del _ islam.\") OR (\"literatura espana el islam.\"))) OR (\"literatura e e islas.\"))*".
• Removing quotes may allow a broader search: (((( literatura del _ islam. ) OR ( literatura espana el islam. ))) OR ( literatura e e islas. ))*.