Perhaps you should try some spelling variations:
"literatura arabo de isela." » "literatura arabe de isela.", "literature arab de isela.", "literatura alvaro de isela.", "literatura arado de isela.", "literatura arabes de isela.", "literatura arabo de isla.", "literatura arabo e isela.", "literatura arabo de isabela."
"literatura e de isaac." » "literatura en de isaac.", "literatura del de isaac.", "literatura de de isaac.", "literatura y de isaac.", "literatura _ de isaac."
"literatura de di islam." » "literatura de de islam.", "literatura de del islam.", "literatura de el islam.", "literatura de mi islam.", "literatura de si islam."

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