Perhaps you should try some spelling variations:
"literatura isabel de isla." » "literatura arabe de isla.", "literatura imanol de isla.", "literatura diamela de isla.", "literatura isabel de isaac."
"literatura e del islam." » "literatura de del islam.", "literatura en del islam.", "literatura del del islam.", "literatura 5e del islam.", "literatura y del islam."
"literatura e el islam." » "literatura de el islam.", "literatura en el islam.", "literatura del el islam.", "literatura es el 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 del islam.") OR ("literatura e el islam."))) or ("literatura isabel de isla."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("literatura e del islam.") OR ("literatura e el islam."))) OR ("literatura isabel de isla.")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"literatura e del islam.\") OR (\"literatura e el islam.\"))) or (\"literatura isabel de isla.\"))".
• Removing quotes may allow a broader search: (((( literatura e del islam. ) OR ( literatura e el islam. ))) or ( literatura isabel de isla. )).
• Adding a wildcard symbol may retrieve word variants: (((("literatura e del islam.") OR ("literatura e el islam."))) or ("literatura isabel de isla."))*.