Perhaps you should try some spelling variations:
union conversations » win conversations, design conversations, driven conversations
tnf history » etf history, ref history, motif history
imf history » brief history
25 germany » 5 germany, 20 germany, 21 germany
2 germany » 7 germany, 2 german, 8 germany
2f 20th » 2.2 20th
20 20th » 90 20th, 2019 20th, 2020 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 %((25 germany) OR (2 germany)) %((tnf history) OR (imf history)) %((2f 20th) OR (20 20th)) century%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%christian union conversations %((25 germany) or (2 germany)) %((tnf history) or (imf history)) %((2f 20th) OR (20 20th)) century%22".
• Adding a wildcard symbol may retrieve word variants: %christian union conversations %((25 germany) or (2 germany)) %((tnf history) or (imf history)) %((2f 20th) OR (20 20th)) century%22*.