Perhaps you should try some spelling variations:
upon conversations » union conversations, open conversations, spoken conversations
christianity upon » christianity among, christianity along, christianity from
2023 18th » 2023 11th, 2023 10th, 2023 15th
2 german » 3 german, 5 german
2023 8th » 2023 5th, 2023 7th

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: %christianity upon conversations %2 german %brief history %((2023 18th) OR (2023 8th)) century%22.
• Adding a wildcard symbol may retrieve word variants: %christianity upon conversations %2 german %brief history %((2023 18th) or (2023 8th)) century%22*.