Perhaps you should try some spelling variations:
"literatura arabe _ isla." » "literatura breve _ isla.", "literatura de _ isla.", "literatura e _ isla."
"literatura arte _ isla." » "literatura breve _ isla.", "literatura entre _ isla.", "literatura aurea _ isla."
"literatura sabe de islam." » "literatura isabel de islam.", "literatura sobre de islam.", "literatura se de islam.", "literatura sabe del islam.", "literatura sabe de isla.", "literatura sabe e 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 arte _ isla.") OR ("literatura arabe _ isla."))) or ("literatura sabe de islam."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("literatura arte _ isla.") OR ("literatura arabe _ isla."))) OR ("literatura sabe de islam.")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"literatura arte _ isla.\") OR (\"literatura arabe _ isla.\"))) or (\"literatura sabe de islam.\"))".
• Removing quotes may allow a broader search: (((( literatura arte _ isla. ) OR ( literatura arabe _ isla. ))) or ( literatura sabe de islam. )).
• Adding a wildcard symbol may retrieve word variants: (((("literatura arte _ isla.") OR ("literatura arabe _ isla."))) or ("literatura sabe de islam."))*.