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 hystory, imf history, ref history
reef history » reeves history, reef fishery, imf history
20th century » 18th century
21 germany » 11 germany, 2 germany, 20 germany
2021 20th » 2021 24th, 2020 20th, 2021 10th

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))) OR (brief history)) %2021 20th century%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%christian upon conversations %21 germany %((((bief history) OR (reef history))) or (brief history)) %2021 20th century%22".
• Adding a wildcard symbol may retrieve word variants: %christian upon conversations %21 germany %((((bief history) OR (reef history))) or (brief history)) %2021 20th century%22*.