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