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, reef history
20th century » 18th century
2.1 germany » 21 germany, 2017 germany, 9.13 germany
imf history » brief history
2.2 20th » 2020 20th, 2023 20th, 2021 20th

You may be able to get more results by adjusting your search query.

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