Perhaps you should try some spelling variations:
upon conversations » union conversations, open conversations, spoken conversations
christian upon » christians upon, christian union, christianity upon
bief history » brief history, brief hystory, imf history
reef history » brief history, reeves history, reef fishery
21 germany » 11 germany, 2 germany, 20 germany
2023 10th » 2022 10th, 2023 11th, 2023 15th
2013 10th » 2015 10th, 2013 8th

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: %christian upon conversations %21 germany %((bief history) OR (reef history)) %((2023 10th) OR (2013 10th)) century%22.
• Adding a wildcard symbol may retrieve word variants: %christian upon conversations %21 germany %((bief history) or (reef history)) %((2023 10th) or (2013 10th)) century%22*.