Perhaps you should try some spelling variations:
"literatura espana _ islas." » "literatura espanola _ islas.", "literatura mexicana _ islas."
"literatura en de islam." » "literatura en del islam.", "literatura en de isla.", "literatura en e 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 espana _ islas.") or ("literatura en de islam."))) or ("literatura de de isaac."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("literatura espana _ islas.") OR ("literatura en de islam."))) OR ("literatura de de isaac."))*.
• Removing quotes may allow a broader search: (((( literatura espana _ islas. ) or ( literatura en de islam. ))) or ( literatura de de isaac. ))*.