Perhaps you should try some spelling variations:
"literatura arabe de isaac." » "literatura breve de isaac.", "literatura e de isaac.", "literatura al de isaac.", "literatura caribe de isaac.", "literatura sabe de isaac.", "literatura arabes e isaac."
"literatura en del islam." » "literatura espana del islam.", "literatura en el islam."
"literatura de de isaac." » "literatura de fe isaac.", "literatura de di 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 arabe de isaac.") OR ("literatura de de isaac."))) or ("literatura en del islam."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("literatura arabe de isaac.") OR ("literatura de de isaac."))) OR ("literatura en del islam.")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"literatura arabe de isaac.\") OR (\"literatura de de isaac.\"))) or (\"literatura en del islam.\"))".
• Removing quotes may allow a broader search: (((( literatura arabe de isaac. ) OR ( literatura de de isaac. ))) or ( literatura en del islam. )).
• Adding a wildcard symbol may retrieve word variants: (((("literatura arabe de isaac.") OR ("literatura de de isaac."))) or ("literatura en del islam."))*.