Perhaps you should try some spelling variations:
"literatura del _ islam." » "literatura de _ islam."
"literatura en _ islas." » "literatura de _ islas.", "literatura espana _ islas.", "literatura den _ islas."
"literatura e y islam." » "literatura de y islam.", "literatura e e islam.", "literatura e el islam.", "literatura e al islam.", "literatura fe y islam.", "literatura es y 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 en _ islas."))) or ("literatura e y islam."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("literatura del _ islam.") OR ("literatura en _ islas."))) OR ("literatura e y islam."))*.
• Removing quotes may allow a broader search: (((( literatura del _ islam. ) or ( literatura en _ islas. ))) or ( literatura e y islam. ))*.