Perhaps you should try some spelling variations:
from conversational » from conversation, from conventional, from conformational
from conversations » from conversation, roman conversations, bot conversations
reef history » reeves history, reef fishery, imf history
bief history » brief hystory, imf history, brief herstory
ref history » imf history, etf history, tnf history
21 germany » 11 germany, 20 germany, 7 germany
2 germany » 7 germany, 2 german, 8 germany
2022 20th » 2022 10th, 2020 20th, 2022 25th
2023 20th » 2023 26th, 2023 10th, 2020 20th
2.2 20th » 2020 20th, 2021 20th, 2012 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: %christianity ((from conversations) OR (from conversational)) %((21 germany) OR (2 germany)) %((ref history) OR (((((bief history) OR (reef history))) OR (brief history)))) %((((2.2 20th) OR (2022 20th))) OR (2023 20th)) century%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%christianity ((from conversations) OR (from conversational)) %((21 germany) or (2 germany)) %((ref history) or (((((bief history) or (reef history))) or (brief history)))) %((((2.2 20th) or (2022 20th))) or (2023 20th)) century%22".
• Adding a wildcard symbol may retrieve word variants: %christianity ((from conversations) OR (from conversational)) %((21 germany) or (2 germany)) %((ref history) or (((((bief history) or (reef history))) or (brief history)))) %((((2.2 20th) or (2022 20th))) or (2023 20th)) century%22*.