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