Perhaps you should try some spelling variations:
upon conversations » union conversations, spoken conversations, human conversations
open conversations » agent conversations, roman conversations, content conversations
2023 18th » 2023 11th, 2023 10th, 2023 15th
2 german » 3 german, 5 german
2023 8th » 2023 5th, 2023 7th

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: %christianity ((upon conversations) OR (open conversations)) %2 german %brief history %((2023 18th) OR (2023 8th)) century%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%christianity ((upon conversations) OR (open conversations)) %2 german %brief history %((2023 18th) or (2023 8th)) century%22".
• Adding a wildcard symbol may retrieve word variants: %christianity ((upon conversations) OR (open conversations)) %2 german %brief history %((2023 18th) or (2023 8th)) century%22*.