Perhaps you should try some spelling variations:
union conversations » win conversations, design conversations, driven conversations
22christian union » christian union, christian unity, christian upon
ref history » reef history, brief history, bief history
2023 18th » 2023 8th, 2023 11th, 2023 10th
2 german » 5 german
3 german » 5 german

Try widening your search to All Fields.

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 conversations %((((2 german) OR (3 german))y) OR (((2 german) OR (3 german)))) %ref history %2023 18th century%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%22christian union conversations %((((2 german) OR (3 german))y) or (((2 german) OR (3 german)))) %ref history %2023 18th century%22".
• Adding a wildcard symbol may retrieve word variants: %22christian union conversations %((((2 german) OR (3 german))y) or (((2 german) OR (3 german)))) %ref history %2023 18th century%22*.