Perhaps you should try some spelling variations:
curious conversations » curious conversion, serious conversation, courageous conversations
ref history » reef history, brief history, bief history
11 germany » 1918 germany, 7 germany, 8 germany
11 german » 1 german
2023 18th » 2023 8th, 2023 11th, 2023 15th
2023 10th » 2022 10th, 2023 11th, 2013 10th
2.2 18th » 2021 18th, 2022 18th, 2012 18th

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 curious conversations %((11 germany) OR (11 german)) %ref history %((2.2 18th) OR (((2023 18th) OR (2023 10th)))) century%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%22christian curious conversations %((11 germany) or (11 german)) %ref history %((2.2 18th) or (((2023 18th) OR (2023 10th)))) century%22".
• Adding a wildcard symbol may retrieve word variants: %22christian curious conversations %((11 germany) or (11 german)) %ref history %((2.2 18th) or (((2023 18th) OR (2023 10th)))) century%22*.