Perhaps you should try some spelling variations:
"literatura sabe de isla." » "literatura isabel de isla.", "literatura arabe de isla.", "literatura sobre de isla."
"literatura sabe de isaac." » "literatura isabel de isaac.", "literatura arabe de isaac.", "literatura sobre de isaac."
"literatura de e islam." » "literatura de el islam.", "literatura de e islas.", "literatura de del islam.", "literatura de fe islam.", "literatura de _ 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 sabe de isla.") or ("literatura sabe de isaac."))) or ("literatura de e islam."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("literatura sabe de isla.") OR ("literatura sabe de isaac."))) OR ("literatura de e islam.")).
• Removing quotes may allow a broader search: (((( literatura sabe de isla. ) or ( literatura sabe de isaac. ))) or ( literatura de e islam. )).
• Adding a wildcard symbol may retrieve word variants: (((("literatura sabe de isla.") or ("literatura sabe de isaac."))) or ("literatura de e islam."))*.