Perhaps you should try some spelling variations:
design conversations » design considerations, design construction, design consideration
design conclusions » design conclusion
20th century » 18th century
imf history » brief history
tnf history » etf history, ref history, motif history
2.1 germany » 2017 germany, 9.13 germany, 9.14 germany
2f history » 2.1 history, etf history, ref history
20 germany » 7 germany, 8 germany, 5 germany
21 germany » 11 germany, 25 germany, 26 germany
2 germany » 12 germany, 7 germany, 2 german
2.2 20th » 2020 20th, 2023 20th, 2021 20th

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 ((design conversations) OR (design conclusions)) %((((21 germany) OR (((20 germany) OR (2 germany))))) OR (2.1 germany)) %((((2f history) OR (tnf history))) OR (imf history)) %2.2 20th century%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%22christian ((design conversations) or (design conclusions)) %((((21 germany) or (((20 germany) or (2 germany))))) or (2.1 germany)) %((((2f history) OR (tnf history))) or (imf history)) %2.2 20th century%22".
• Adding a wildcard symbol may retrieve word variants: %22christian ((design conversations) or (design conclusions)) %((((21 germany) or (((20 germany) or (2 germany))))) or (2.1 germany)) %((((2f history) OR (tnf history))) or (imf history)) %2.2 20th century%22*.