Perhaps you should try some spelling variations:
upon conversations » union conversations, open conversations, spoken conversations
christian upon » christians upon, christian union, christianity upon
2.1 germany » 21 germany, 2017 germany, 9.13 germany
imf history » brief history
11 germany » 11 german, 1918 germany, 7 germany
2f history » 2.1 history, etf history, ref history
2.2 20th » 2020 20th, 2023 20th, 2021 20th
2f 20th » 20 20th

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 %((11 germany) OR (2.1 germany)) %((2f history) OR (imf history)) %((2f 20th) OR (2.2 20th)) century%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%christian upon conversations %((11 germany) or (2.1 germany)) %((2f history) or (imf history)) %((2f 20th) OR (2.2 20th)) century%22".
• Adding a wildcard symbol may retrieve word variants: %christian upon conversations %((11 germany) or (2.1 germany)) %((2f history) or (imf history)) %((2f 20th) OR (2.2 20th)) century%22*.