Perhaps you should try some spelling variations:
22christian design » unchristian design, christian designed
christ designed » christian designed, chemists designed, checklist designed
motif history » motion history, motive history, motets history
20th century » 18th century
tnf history » imf history, etf history, stone history
ref history » reef history, bief history, imf history
2 germany » 12 germany, 7 germany, 2 german
2f 20th » 20 20th, 2.2 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: %((22christian design) OR (christ designed)) conversations %2 germany %((((tnf history) OR (motif history))) OR (((ref history) OR (brief history)))) %2f 20th century%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%((22christian design) or (christ designed)) conversations %2 germany %((((tnf history) OR (motif history))) or (((ref history) or (brief history)))) %2f 20th century%22".
• Adding a wildcard symbol may retrieve word variants: %((22christian design) or (christ designed)) conversations %2 germany %((((tnf history) OR (motif history))) or (((ref history) or (brief history)))) %2f 20th century%22*.