Perhaps you should try some spelling variations:
when conversations » open conversations, win conversations, agent conversations
22christian when » christians when, christian women, christian who
1918 germany » 8 germany
20th century » 18th century
2.1 germany » 21 germany, 2017 germany, 9.13 germany
ref history » reef history, brief history, bief history
11 germany » 11 german, 7 germany, 8 germany
2020 20th » 2020 16th, 2020 2021, 2020 5th

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: %22christian when conversations %((((11 germany) OR (1918 germany))) OR (2.1 germany)) %ref history %2020 20th century%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%22christian when conversations %((((11 germany) OR (1918 germany))) or (2.1 germany)) %ref history %2020 20th century%22".
• Adding a wildcard symbol may retrieve word variants: %22christian when conversations %((((11 germany) OR (1918 germany))) or (2.1 germany)) %ref history %2020 20th century%22*.