Perhaps you should try some spelling variations:
"literatura en de islam." » "literatura espana de islam.", "literatura en de isla.", "literatura en e islam.", "literatura en de ilam."
"literatura de del islam." » "literatura de el islam."
"literatura de dde ilam." » "literatura de de ilam.", "literatura de de ulam.", "literatura de ddr ilam.", "literatura de ddt ilam.", "literatura de dades ilam."

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

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