Perhaps you should try some spelling variations:
literature early » literature study, literature latin, literatura al
literatura arabe » literatura breve, literatura de, literatura e
literatura en » literatura de, literatura espana
en islam » el islam, e islam, un islam
early e » earl e, early evo, early new
e islas » el islam

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

• If you are trying to use Boolean operators, they must be ALL CAPS: "((\"literature early e islas.\") or (\"((literatura arabe) OR (literatura en)) en islam.\"))~".
• Removing quotes may allow a broader search: (( literature early e islas. ) or ( ((literatura arabe) or (literatura en)) en islam. ))~.