Perhaps you should try some spelling variations:
upon conversations » union conversations, open conversations, spoken conversations
christianity upon » christianity among, christianity along, christianity from
reef history » brief history, reeves history, reef fishery
2023 18th » 2023 8th, 2023 11th, 2023 10th
2 german » 3 german
5 german » 3 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: %christianity upon conversations %((((2 german) OR (5 german))) OR (a german)) %reef history %2023 18th century%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%christianity upon conversations %((((2 german) OR (5 german))) or (a german)) %reef history %2023 18th century%22".
• Adding a wildcard symbol may retrieve word variants: %christianity upon conversations %((((2 german) OR (5 german))) or (a german)) %reef history %2023 18th century%22*.