Perhaps you should try some spelling variations:
roman conversations » design conversations
from conversations » from conversation, from conversational, bot conversations
bief history » brief hystory, reef history, ref history
20th century » 18th century
2.1 germany » 21 germany, 2017 germany, 9.13 germany
2 germany » 7 germany, 2 german, 8 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)) %((2.1 germany) OR (2 germany)) %((imf history) OR (((bief 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)) %((2.1 germany) or (2 germany)) %((imf history) or (((bief history) or (brief history)))) %2.2 20th century%22".
• Adding a wildcard symbol may retrieve word variants: %christianity ((from conversations) OR (roman conversations)) %((2.1 germany) or (2 germany)) %((imf history) or (((bief history) or (brief history)))) %2.2 20th century%22*.