Perhaps you should try some spelling variations:
"literatura espana de isla." » "literatura espanola de isla.", "literatura mexicana de isla."
"literatura o del islam." » "literatura e del islam.", "literatura a del islam.", "literatura _ del islam.", "literatura o el islam.", "literatura y del islam.", "literatura o de islam."
"literatura de de isaac." » "literatura de fe isaac.", "literatura de di isaac."

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

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