Perhaps you should try some spelling variations:
design conversations » design considerations, design construction, design conclusions
22christian design » unchristian design, christian designed
20th century » 18th century
1918 germany » 8 germany
ref history » reef history, brief history, bief history
etf history » reef history, imf history, tnf history
11 germany » 7 germany, 8 germany, 5 germany
2 germany » 12 germany, 7 germany, 2 german
11 german » 1 german
2f 20th » 20 20th, 2.2 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 %((2 germany) OR (((((11 germany) OR (1918 germany))) OR (11 german)))) %((etf history) OR (ref history)) %2f 20th century%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%22christian design conversations %((2 germany) or (((((11 germany) OR (1918 germany))) or (11 german)))) %((etf history) or (ref history)) %2f 20th century%22".
• Adding a wildcard symbol may retrieve word variants: %22christian design conversations %((2 germany) or (((((11 germany) OR (1918 germany))) or (11 german)))) %((etf history) or (ref history)) %2f 20th century%22*.