Perhaps you should try some spelling variations:
design conversations » design considerations, design conclusions, design consideration
20th century » 18th century
2f germany » 20 germany, 21 germany, 25 germany
2f history » imf history, etf history, ref history
2 germany » 7 germany, 2 german, 8 germany
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 conversations) OR (design construction)) %((2f germany) OR (2 germany)) %2f history %2f 20th century%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%22christian ((design conversations) OR (design construction)) %((2f germany) or (2 germany)) %2f history %2f 20th century%22".
• Adding a wildcard symbol may retrieve word variants: %22christian ((design conversations) OR (design construction)) %((2f germany) or (2 germany)) %2f history %2f 20th century%22*.