Perhaps you should try some spelling variations:
design conversations » design considerations, design construction, design conclusions
union conversations » win conversations, driven conversations, invent conversations
imf history » brief history
21 germany » 2.1 germany, 11 germany, 2 germany
2f history » 2.1 history, etf history, ref history
20 20th » 2019 20th, 2020 20th, 2023 20th
90 20th » 94 20th, 1990 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 (design conversations)) %21 germany %((2f history) OR (imf history)) %((20 20th) OR (90 20th)) century%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%christian ((union conversations) or (design conversations)) %21 germany %((2f history) OR (imf history)) %((20 20th) or (90 20th)) century%22".
• Adding a wildcard symbol may retrieve word variants: %christian ((union conversations) or (design conversations)) %21 germany %((2f history) OR (imf history)) %((20 20th) or (90 20th)) century%22*.