Perhaps you should try some spelling variations:
union conversations » win conversations, curious conversations, design conversations
wine conversation » wide conversation, wins conversation, nine conversations
20th century » 18th century
2.1 germany » 2017 germany, 9.13 germany, 9.14 germany
etf history » reef history, imf history, ref history
20 germany » 2 germany, 7 germany, 8 germany
21 germany » 11 germany, 2 germany, 25 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: %christian ((union conversations) OR (wine conversation)) %((20 germany) OR (((21 germany) OR (2.1 germany)))) %etf history %2.2 20th century%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%christian ((union conversations) or (wine conversation)) %((20 germany) or (((21 germany) OR (2.1 germany)))) %etf history %2.2 20th century%22".
• Adding a wildcard symbol may retrieve word variants: %christian ((union conversations) or (wine conversation)) %((20 germany) or (((21 germany) OR (2.1 germany)))) %etf history %2.2 20th century%22*.