Perhaps you should try some spelling variations:
"literatura en del islam." » "literatura de del islam.", "literatura espana del islam.", "literatura den del islam.", "literatura deln del islam.", "literatura en el islam."
"literatura el de isaias." » "literatura del de isaias.", "literatura de de isaias.", "literatura eslava de isaias.", "literatura dell de isaias.", "literatura el de indias.", "literatura el de isaac."
"literatura e e islam." » "literatura de e islam.", "literatura del e islam.", "literatura e el islam.", "literatura e e islas.", "literatura e de islam.", "literatura el e 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 e e islam.") or ("literatura el de isaias."))) or ("literatura en del islam."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("literatura e e islam.") OR ("literatura el de isaias."))) OR ("literatura en del islam.")).
• Removing quotes may allow a broader search: (((( literatura e e islam. ) or ( literatura el de isaias. ))) or ( literatura en del islam. )).
• Adding a wildcard symbol may retrieve word variants: (((("literatura e e islam.") or ("literatura el de isaias."))) or ("literatura en del islam."))*.