Perhaps you should try some spelling variations:
"literatura gen del islam." » "literatura en del islam.", "literatura de del islam.", "literatura e del islam.", "literatura gen el islam.", "literatura gen de islam.", "literatura gente del islam."
"literatura del dean ilam." » "literatura de dean ilam.", "literatura en dean ilam.", "literatura del de ilam.", "literatura del dean la.", "literatura del en ilam.", "literatura del dano ilam.", "literatura del dia ilam."
"literatura y del islam." » "literatura y el 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 y del islam.") OR ("literatura gen del islam."))) OR ("literatura del dean ilam."))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"literatura y del islam.\") OR (\"literatura gen del islam.\"))) OR (\"literatura del dean ilam.\"))".
• Removing quotes may allow a broader search: (((( literatura y del islam. ) OR ( literatura gen del islam. ))) OR ( literatura del dean ilam. )).
• Adding a wildcard symbol may retrieve word variants: (((("literatura y del islam.") OR ("literatura gen del islam."))) OR ("literatura del dean ilam."))*.