Perhaps you should try some spelling variations:
both conversations » bot conversations, both conversation, bush conversations
christian both » christianity both, christian b
ref history » reef history, brief history, bief history
imf history » brief history
11 germany » 11 german, 1918 germany, 7 germany
2021 20th » 2021 24th, 2020 20th, 2021 10th
2.2 20th » 2020 20th, 2023 20th, 2022 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 both conversations %11 germany %((ref history) OR (imf history)) %((2.2 20th) OR (2021 20th)) century%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%christian both conversations %11 germany %((ref history) or (imf history)) %((2.2 20th) OR (2021 20th)) century%22".
• Adding a wildcard symbol may retrieve word variants: %christian both conversations %11 germany %((ref history) or (imf history)) %((2.2 20th) OR (2021 20th)) century%22*.