Perhaps you should try some spelling variations:
literature arab » literatura arabe, literature early, literatura para
literatura del » literatura de, literatura en
de chilam » de chillan, de chile, de china
en isaac » de isaac, _ isaac, c isaac
e isaac » de isaac, _ isaac, c isaac
de isla » de isaac

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( literature arab ((e isaac) OR (en isaac)). ) or ( literatura del ((de isla) or (de chilam)). ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( literature arab ((e isaac) OR (en isaac)). ) OR ( literatura del ((de isla) OR (de chilam)). )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( literature arab ((e isaac) OR (en isaac)). ) or ( literatura del ((de isla) or (de chilam)). ))".
• Adding a wildcard symbol may retrieve word variants: (( literature arab ((e isaac) OR (en isaac)). ) or ( literatura del ((de isla) or (de chilam)). ))*.