Perhaps you should try some spelling variations:
"christianity and other religions -- islam" » "christianity and other regionss -- islam", "christianity and power religions -- islam", "christianity and mothers religiouss -- islam", "christianity and other religious -- islam", "christianity and other relations -- islam", "christianity and other regions -- islam"
"christianity and other religion -- islam" » "christianity and other regions -- islam", "christianity and power religion -- islam", "christianity and mothers religious -- islam"

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("christianity and other religions -- islam") or ("Christianity and author religion -- Islam"))) or ("christianity and other religion -- islam"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("christianity and other religions -- islam") OR ("Christianity and author religion -- Islam"))) OR ("christianity and other religion -- islam")).
• Removing quotes may allow a broader search: (((( christianity and other religions -- islam ) or ( Christianity and author religion -- Islam ))) or ( christianity and other religion -- islam )).
• Adding a wildcard symbol may retrieve word variants: (((("christianity and other religions -- islam") or ("Christianity and author religion -- Islam"))) or ("christianity and other religion -- islam"))*.