Perhaps you should try some spelling variations:
"literatura des x islam." » "literatura de x islam.", "literatura del x islam.", "literatura es x islam.", "literatura des e islam.", "literatura des _ islam.", "literatura des el islam."
"literatura des del islam." » "literatura de del islam.", "literatura del del islam.", "literatura es del islam.", "literatura des el islam.", "literatura des de islam.", "literatura andes del islam.", "literatura redes del islam."
"literatura _ de isaacm." » "literatura _ de isaac.", "literatura _ de islam.", "literatura _ e isaac."

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 _ de isaacm.") or ((("literatura des x islam.") or ("literatura des del islam."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("literatura _ de isaacm.") OR ((("literatura des x islam.") OR ("literatura des del islam.")))).
• Removing quotes may allow a broader search: (( literatura _ de isaacm. ) or ((( literatura des x islam. ) or ( literatura des del islam. )))).
• Adding a wildcard symbol may retrieve word variants: (("literatura _ de isaacm.") or ((("literatura des x islam.") or ("literatura des del islam."))))*.