Perhaps you should try some spelling variations:
"christianity and mothers religious -- islam." » "christianity and motherhood religious -- islam.", "christianity and inter religious -- islam.", "christianity and after religious -- islam."
"christianity and better relations -- islam." » "christianity and western relations -- islam.", "christianity and better reading -- islam."
"christianity and gender relations -- islam." » "christianity and india relations -- islam.", "christianity and german relations -- islam."
"christianity and other relations -- islam." » "christianity and other delegations -- islam.", "christianity and other reflections -- islam.", "christianity and power relations -- islam."
"christianity and other regions -- islam." » "christianity and border regions -- islam."
"christianity and other religions -- 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 mothers religious -- islam."))) or ("christianity and other regions -- islam."))) or ((("christianity and other relations -- islam.") or ((((("christianity and better relations -- islam.") OR ("christianity and gender relations -- islam."))) or ("christianity and external relations -- islam."))))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((((("christianity and other religions -- islam.") OR ("christianity and mothers religious -- islam."))) OR ("christianity and other regions -- islam."))) OR ((("christianity and other relations -- islam.") OR ((((("christianity and better relations -- islam.") OR ("christianity and gender relations -- islam."))) OR ("christianity and external relations -- islam.")))))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((((\"christianity and other religions -- islam.\") or (\"christianity and mothers religious -- islam.\"))) or (\"christianity and other regions -- islam.\"))) or (((\"christianity and other relations -- islam.\") or (((((\"christianity and better relations -- islam.\") OR (\"christianity and gender relations -- islam.\"))) or (\"christianity and external relations -- islam.\"))))))".
• Removing quotes may allow a broader search: (((((( christianity and other religions -- islam. ) or ( christianity and mothers religious -- islam. ))) or ( christianity and other regions -- islam. ))) or ((( christianity and other relations -- islam. ) or ((((( christianity and better relations -- islam. ) OR ( christianity and gender relations -- islam. ))) or ( christianity and external relations -- islam. )))))).
• Adding a wildcard symbol may retrieve word variants: (((((("christianity and other religions -- islam.") or ("christianity and mothers religious -- islam."))) or ("christianity and other regions -- islam."))) or ((("christianity and other relations -- islam.") or ((((("christianity and better relations -- islam.") OR ("christianity and gender relations -- islam."))) or ("christianity and external relations -- islam."))))))*.