Perhaps you should try some spelling variations:
22christian design » unchristian design, christian designed
design conclusions » design conclusion
1918 germany » 8 germany
ref history » reef history, brief history, bief history
21 germany » 11 germany, 2 germany, 20 germany
2f history » imf history, etf history, tnf history

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: %22christian design conclusions %((21 germany) OR (1918 germany)) %((2f history) OR (ref history)) %2.2 ((20th century) OR (18th century))%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%22christian design conclusions %((21 germany) or (1918 germany)) %((2f history) or (ref history)) %2.2 ((20th century) OR (18th century))%22".
• Adding a wildcard symbol may retrieve word variants: %22christian design conclusions %((21 germany) or (1918 germany)) %((2f history) or (ref history)) %2.2 ((20th century) OR (18th century))%22*.