Perhaps you should try some spelling variations:
"literatura dy del islam." » "literatura de del islam.", "literatura d del islam.", "literatura del del islam.", "literatura dy el islam."
"literatura e de isaac." » "literatura de de isaac.", "literatura en de isaac.", "literatura del de isaac.", "literatura _ de isaac.", "literatura o de isaac."
"literatura y de islam." » "literatura y de isla.", "literatura y e islam.", "literatura y de ilam."

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 de isaac.") OR ("literatura y de islam."))) OR ("literatura dy del islam."))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"literatura e de isaac.\") OR (\"literatura y de islam.\"))) OR (\"literatura dy del islam.\"))".
• Removing quotes may allow a broader search: (((( literatura e de isaac. ) OR ( literatura y de islam. ))) OR ( literatura dy del islam. )).
• Adding a wildcard symbol may retrieve word variants: (((("literatura e de isaac.") OR ("literatura y de islam."))) OR ("literatura dy del islam."))*.