Perhaps you should try some spelling variations:
union conversations » win conversations, design conversations, driven conversations
22christian union » christian union, christian unity, christian upon
20th century » 18th century
bief history » brief history, brief hystory, brief herstory
reef history » brief history, reeves history, reef fishery
ref history » brief history, etf history, tnf history
imf history » brief history
2f germany » 20 germany, 21 germany, 25 germany
2 germany » 12 germany, 7 germany, 2 german
20 20th » 90 20th, 2019 20th, 2020 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 union conversations %((2f germany) OR (2 germany)) %((imf history) OR (((((ref history) OR (reef history))) OR (bief history)))) %20 20th century%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%22christian union conversations %((2f germany) or (2 germany)) %((imf history) or (((((ref history) OR (reef history))) or (bief history)))) %20 20th century%22".
• Adding a wildcard symbol may retrieve word variants: %22christian union conversations %((2f germany) or (2 germany)) %((imf history) or (((((ref history) OR (reef history))) or (bief history)))) %20 20th century%22*.