Perhaps you should try some spelling variations:
brief herstory » brief hystory, brief story, brief repository
20th century » 18th century
bief history » brief hystory, imf history, brief historic
reef history » reeves history, reef fishery, imf history
ref history » imf history, etf history, tnf history
11 germany » 11 german, 1918 germany, 7 germany
21 germany » 2 germany, 20 germany, 7 germany
2.2 20th » 2020 20th, 2023 20th, 2021 20th
christianity » christian

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: %((christianity _) OR (christianity early)) conversations %((21 germany) OR (11 germany)) %((((ref history) OR (reef history))) OR (((((bief history) OR (brief herstory))) OR (brief history)))) %2.2 20th century%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%((christianity _) or (christianity early)) conversations %((21 germany) or (11 germany)) %((((ref history) or (reef history))) or (((((bief history) OR (brief herstory))) or (brief history)))) %2.2 20th century%22".
• Adding a wildcard symbol may retrieve word variants: %((christianity _) or (christianity early)) conversations %((21 germany) or (11 germany)) %((((ref history) or (reef history))) or (((((bief history) OR (brief herstory))) or (brief history)))) %2.2 20th century%22*.