Perhaps you should try some spelling variations:
from conversational » from conversation, from conventional, from conformational
from conversations » from conversation, roman conversations, bot conversations
bief history » brief hystory, reef history, brief herstory
ref history » reef history, etf history, tnf history
21 germany » 2.1 germany, 11 germany, 2 germany
2020 20th » 2020 16th, 2020 5th, 2020 2021
2.2 20th » 2023 20th, 2021 20th, 2022 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 %((ref history) OR (((((bief history) OR (imf history))) OR (brief history)))) %((2.2 20th) OR (2020 20th)) century%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%christianity ((from conversations) OR (from conversational)) %21 germany %((ref history) or (((((bief history) or (imf history))) or (brief history)))) %((2.2 20th) or (2020 20th)) century%22".
• Adding a wildcard symbol may retrieve word variants: %christianity ((from conversations) OR (from conversational)) %21 germany %((ref history) or (((((bief history) or (imf history))) or (brief history)))) %((2.2 20th) or (2020 20th)) century%22*.