Perhaps you should try some spelling variations:
from conversational » from conversations, from conventional, from conformational
from conversation » from conservation, from compensation, _ conversation
brief hystory » brief herstory, brief story, bief history
20th century » 18th century
ref history » reef history, bief history, imf history
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 conversation) OR (from conversational)) %2 germany %((ref history) OR (((brief hystory) OR (brief history)))) %2.2 20th century%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%christianity ((from conversation) OR (from conversational)) %2 germany %((ref history) or (((brief hystory) or (brief history)))) %2.2 20th century%22".
• Adding a wildcard symbol may retrieve word variants: %christianity ((from conversation) OR (from conversational)) %2 germany %((ref history) or (((brief hystory) or (brief history)))) %2.2 20th century%22*.