Perhaps you should try some spelling variations:
union conversations » win conversations, design conversations, driven conversations
upon conversations » open conversations, spoken conversations, human conversations
2 germany » 7 germany, 2 german, 8 germany
2021 24th » 2021 4th, 2021 6th, 2021 7th
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 ((upon conversations) OR (union conversations)) %2 germany %brief history %((2.2 20th) OR (2021 24th)) century%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%christian ((upon conversations) OR (union conversations)) %2 germany %brief history %((2.2 20th) or (2021 24th)) century%22".
• Adding a wildcard symbol may retrieve word variants: %christian ((upon conversations) OR (union conversations)) %2 germany %brief history %((2.2 20th) or (2021 24th)) century%22*.