Perhaps you should try some spelling variations:
"christianity and other religions -- islam." » "christianity and author religions -- islam.", "christianity and mothers religiouss -- islam.", "christianity and other religious -- islam.", "christianity and other relations -- islam."
"christianity and other religion -- islam." » "christianity and author religion -- islam.", "christianity and mothers religious -- islam."
"christianity and power religion -- islam." » "christianity and power relations -- islam.", "christianity and women religion -- islam.", "christianity and towle religion -- 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 other religion -- islam.") OR ("christianity and power religion -- 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 other religion -- islam.") OR ("christianity and power religion -- islam."))) OR ("christianity and other regions -- islam.")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"christianity and other religions -- islam.\") or (((((\"christianity and other religion -- islam.\") OR (\"christianity and power religion -- islam.\"))) or (\"christianity and other regions -- islam.\"))))".
• Removing quotes may allow a broader search: (( christianity and other religions -- islam. ) or ((((( christianity and other religion -- islam. ) OR ( christianity and power religion -- islam. ))) or ( christianity and other regions -- islam. )))).
• Adding a wildcard symbol may retrieve word variants: (("christianity and other religions -- islam.") or ((((("christianity and other religion -- islam.") OR ("christianity and power religion -- islam."))) or ("christianity and other regions -- islam."))))*.