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