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 religious -- islam." » "christianity and other religions -- islam.", "christianity and other regions -- islam.", "christianity and ethno religious -- islam."
"christianity and other regional -- islam." » "christianity and other regions -- islam.", "christianity and inter regional -- islam.", "christianity and chen regional -- 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 regional -- islam.") or ((((("christianity and other religious -- islam.") OR ("christianity and inter religious -- islam."))) or ("christianity and mothers religious -- islam."))))) or ("christianity and author religion -- islam."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("christianity and other regional -- islam.") OR ((((("christianity and other religious -- islam.") OR ("christianity and inter religious -- islam."))) OR ("christianity and mothers religious -- islam."))))) OR ("christianity and author religion -- islam.")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"christianity and other regional -- islam.\") or (((((\"christianity and other religious -- islam.\") OR (\"christianity and inter religious -- islam.\"))) or (\"christianity and mothers religious -- islam.\"))))) or (\"christianity and author religion -- islam.\"))".
• Removing quotes may allow a broader search: (((( christianity and other regional -- islam. ) or ((((( christianity and other religious -- islam. ) OR ( christianity and inter religious -- islam. ))) or ( christianity and mothers religious -- islam. ))))) or ( christianity and author religion -- islam. )).
• Adding a wildcard symbol may retrieve word variants: (((("christianity and other regional -- islam.") or ((((("christianity and other religious -- islam.") OR ("christianity and inter religious -- islam."))) or ("christianity and mothers religious -- islam."))))) or ("christianity and author religion -- islam."))*.