Perhaps you should try some spelling variations:
christians upon » christians among, christians from, christians being
christian upon » christian union, christianity upon, christ upon
bief history » brief hystory, reef history, ref history
20th century » 18th century
2.1 germany » 21 germany, 2017 germany, 9.13 germany
2.2 20th » 2020 20th, 2023 20th, 2021 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) OR (christians upon)) conversations %2.1 germany %((bief history) OR (((imf history) OR (brief history)))) %2.2 20th century%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%((christian upon) or (christians upon)) conversations %2.1 germany %((bief history) or (((imf history) OR (brief history)))) %2.2 20th century%22".
• Adding a wildcard symbol may retrieve word variants: %((christian upon) or (christians upon)) conversations %2.1 germany %((bief history) or (((imf history) OR (brief history)))) %2.2 20th century%22*.