Perhaps you should try some spelling variations:
christian both » christianity both, christian b
christian bot » christians both, christian best, christian biet
bief history » brief history, brief hystory, reef history
20th century » 18th century
imf history » brief history
21 germany » 11 germany, 2 germany, 20 germany
2.2 20th » 2020 20th, 2023 20th, 2021 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 bot) OR (christian both)) conversations %21 germany %((bief history) OR (imf history)) %2.2 20th century%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%((christian bot) OR (christian both)) conversations %21 germany %((bief history) or (imf history)) %2.2 20th century%22".
• Adding a wildcard symbol may retrieve word variants: %((christian bot) OR (christian both)) conversations %21 germany %((bief history) or (imf history)) %2.2 20th century%22*.