Perhaps you should try some spelling variations:
"literatura maria de isaac." » "literatura america de isaac.", "literatura memoria de isaac.", "literatura musica de isaac.", "literatura maria del isaac."
"literatura de del islam." » "literatura de el islam.", "literatura de fel islam.", "literatura de dil islam."
"literatura de de islam." » "literatura de de isla.", "literatura de e islam.", "literatura de de ilam.", "literatura de fe islam.", "literatura de di 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 de de islam.") OR ("literatura de del islam."))) or ("literatura maria de isaac."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("literatura de de islam.") OR ("literatura de del islam."))) OR ("literatura maria de isaac.")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"literatura de de islam.\") OR (\"literatura de del islam.\"))) or (\"literatura maria de isaac.\"))".
• Removing quotes may allow a broader search: (((( literatura de de islam. ) OR ( literatura de del islam. ))) or ( literatura maria de isaac. )).
• Adding a wildcard symbol may retrieve word variants: (((("literatura de de islam.") OR ("literatura de del islam."))) or ("literatura maria de isaac."))*.