Perhaps you should try some spelling variations:
when conversations » open conversations, agent conversations, chain conversations
win conversations » ai conversations, ip conversations, iv conversations
wine conversation » wide conversation, wins conversation, nine conversations
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
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 ((((win conversations) OR (when conversations))) OR (wine conversation)) %((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 ((((win conversations) OR (when conversations))) or (wine conversation)) %((1918 germany) or (2.1 germany)) %ref history %2020 20th century%22".
• Adding a wildcard symbol may retrieve word variants: %22christian ((((win conversations) OR (when conversations))) or (wine conversation)) %((1918 germany) or (2.1 germany)) %ref history %2020 20th century%22*.