Perhaps you should try some spelling variations:
"literatura arte _ islam." » "literatura arabe _ islam.", "literatura breve _ islam.", "literatura entre _ islam."
"literatura en de isaacs." » "literatura de de isaacs.", "literatura espana de isaacs.", "literatura en de isaac.", "literatura en de isaias.", "literatura en de islas."
"literatura o de isla." » "literatura e de isla.", "literatura a de isla.", "literatura _ de isla.", "literatura o de isaac.", "literatura y de isla."

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("literatura o de isla.") or ("literatura en de isaacs."))) or ("literatura arte _ islam."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("literatura o de isla.") OR ("literatura en de isaacs."))) OR ("literatura arte _ islam."))*.
• Removing quotes may allow a broader search: (((( literatura o de isla. ) or ( literatura en de isaacs. ))) or ( literatura arte _ islam. ))*.