Perhaps you should try some spelling variations:
"christianity and better relations -- islam." » "christianity and western relations -- islam.", "christianity and gender relations -- islam.", "christianity and better reading -- islam."
"christianity and other regionss -- islam." » "christianity and other regional -- islam.", "christianity and border regionss -- islam."
"christianity and other regions -- islam." » "christianity and border regions -- islam."
"christianity and other religions -- islam." » "christianity and other religious -- islam.", "christianity and other religion -- 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 better relations -- islam."))) or ("christianity and other regionss -- islam."))) or ("christianity and other regions -- islam."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((((("christianity and other religions -- islam.") OR ("christianity and better relations -- islam."))) OR ("christianity and other regionss -- islam."))) OR ("christianity and other regions -- islam.")).
• Removing quotes may allow a broader search: (((((( christianity and other religions -- islam. ) or ( christianity and better relations -- islam. ))) or ( christianity and other regionss -- islam. ))) or ( christianity and other regions -- islam. )).
• Adding a wildcard symbol may retrieve word variants: (((((("christianity and other religions -- islam.") or ("christianity and better relations -- islam."))) or ("christianity and other regionss -- islam."))) or ("christianity and other regions -- islam."))*.