Perhaps you should try some spelling variations:
upon conversations » union conversations, open conversations, spoken conversations
christian upon » christians upon, christian union, christianity upon
9.13 germany » 9.14 germany, 9.15 germany, 9.16 germany
imf history » brief history
2f history » etf history, ref history, tnf history
21 germany » 2 germany, 20 germany, 7 germany
11 germany » 11 german, 1918 germany, 7 germany
2.2 20th » 2020 20th, 2023 20th, 2021 20th
2f 20th » 20 20th

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) OR (11 germany))) OR (9.13 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 %((((21 germany) OR (11 germany))) or (9.13 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 %((((21 germany) OR (11 germany))) or (9.13 germany)) %((2f history) or (imf history)) %((2f 20th) or (2.2 20th)) century%22*.