Perhaps you should try some spelling variations:
"literatura arabes de isla." » "literatura arabe de isla.", "literatura arte de isla.", "literature arab de isla.", "literatura arabes e isla.", "literatura arabes y isla."
"literatura en de isaac." » "literatura espana de isaac."
"literatura de del islam." » "literatura de 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 en de isaac.") OR ("literatura de del islam."))) OR ("literatura arabes de isla."))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"literatura en de isaac.\") OR (\"literatura de del islam.\"))) OR (\"literatura arabes de isla.\"))".
• Removing quotes may allow a broader search: (((( literatura en de isaac. ) OR ( literatura de del islam. ))) OR ( literatura arabes de isla. )).
• Adding a wildcard symbol may retrieve word variants: (((("literatura en de isaac.") OR ("literatura de del islam."))) OR ("literatura arabes de isla."))*.