Perhaps you should try some spelling variations:
"literatura arte de isla." » "literatura arabe de isla.", "literatura breve de isla.", "literatura entre de isla."
"literatura arte de isaac." » "literatura arabe de isaac.", "literatura breve de isaac.", "literatura entre de isaac."
"literatura de de islam." » "literatura de del islam.", "literatura de e islam.", "literatura de de ilam.", "literatura de fe islam.", "literatura de di islam."

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