Perhaps you should try some spelling variations:
22christian union » christian union, christian upon
christian unity » christian union, christian laity, christian divinity
ref history » reef history, brief history, bief history
2 germany » 12 germany, 7 germany, 8 germany
2023 18th » 2023 8th, 2023 11th, 2023 10th
2 german » 3 german, 5 german

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: %((22christian union) OR (christian unity)) conversations %((2 germany) OR (2 german)) %ref history %2023 18th century%22*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%((22christian union) or (christian unity)) conversations %((2 germany) OR (2 german)) %ref history %2023 18th century%22*".