Perhaps you should try some spelling variations:
serious conversation » curious conversations, serious conideration, versus conversation
22christian serious » christian sermons
reeves history » waves history, lives history, archives history
20th century » 18th century
ref history » reef history, brief history, bief history
21 germany » 11 germany, 2 germany, 20 germany
2023 20th » 2023 26th, 2023 10th, 2020 20th

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 serious conversation %21 germany %((ref history) OR (reeves history)) %2023 20th century%22.
• Adding a wildcard symbol may retrieve word variants: %22christian serious conversation %21 germany %((ref history) or (reeves history)) %2023 20th century%22*.