Perhaps you should try some spelling variations:
roman conversations » crucial conversations, design conversations
from conversations » from conversation, from conversational, bot conversations
bief history » brief hystory, imf history, brief herstory
reef history » reeves history, reef fishery, imf history
20th century » 18th century
ref history » imf history, etf history, tnf history
21 germany » 2.1 germany, 11 germany, 2 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: %christianity ((from conversations) OR (roman conversations)) %21 germany %((ref history) OR (((((bief history) OR (reef history))) OR (brief history)))) %2.2 20th century%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%christianity ((from conversations) OR (roman conversations)) %21 germany %((ref history) or (((((bief history) or (reef history))) or (brief history)))) %2.2 20th century%22".
• Adding a wildcard symbol may retrieve word variants: %christianity ((from conversations) OR (roman conversations)) %21 germany %((ref history) or (((((bief history) or (reef history))) or (brief history)))) %2.2 20th century%22*.