Perhaps you should try some spelling variations:
from conversations » from conversation, from conversational, roman conversations
christians from » christianity from, christians after, christians early
bief history » brief history, brief hystory, imf history
2.1 germany » 2017 germany, 9.13 germany, 9.14 germany
ref history » reef history, brief history, imf history
5th century » 15th century, 6th century, 18th century
21 germany » 11 germany, 2 germany, 20 germany
2020 5th » 2020 16th

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: %christians from conversations %((21 germany) OR (2.1 germany)) %((ref history) OR (bief history)) %2020 5th century%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%christians from conversations %((21 germany) OR (2.1 germany)) %((ref history) or (bief history)) %2020 5th century%22".
• Adding a wildcard symbol may retrieve word variants: %christians from conversations %((21 germany) OR (2.1 germany)) %((ref history) or (bief history)) %2020 5th century%22*.