Perhaps you should try some spelling variations:
22christian design » christian designed
unchristian design » unchristian diversion, christian designed, unchristian usage
1918 germany » 8 germany
20th century » 18th century
ref history » reef history, bief history, imf history
21 germany » 11 germany, 2 germany, 20 germany
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) OR (unchristian design)) conclusions %((21 germany) OR (1918 germany)) %((ref history) OR (brief history)) %2.2 20th century%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%((22christian design) or (unchristian design)) conclusions %((21 germany) or (1918 germany)) %((ref history) OR (brief history)) %2.2 20th century%22".
• Adding a wildcard symbol may retrieve word variants: %((22christian design) or (unchristian design)) conclusions %((21 germany) or (1918 germany)) %((ref history) OR (brief history)) %2.2 20th century%22*.