Perhaps you should try some spelling variations:
22christian union » christian union, christian upon
christian unity » christian union, christian laity, christian divinity
bief history » brief history, brief hystory, imf history
2.1 germany » 21 germany, 2017 germany, 9.13 germany
ref history » reef history, brief history, imf history
8 germany » 7 germany, 1918 germany
2 germany » 7 germany, 2 german, 5 germany

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) OR (christian unity)) conversations %((((8 germany) OR (2 germany))) OR (2.1 germany)) %((ref history) OR (bief history)) %2020 ((20th century) OR (18th century))%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%((22christian union) or (christian unity)) conversations %((((8 germany) or (2 germany))) or (2.1 germany)) %((ref history) OR (bief history)) %2020 ((20th century) or (18th century))%22".
• Adding a wildcard symbol may retrieve word variants: %((22christian union) or (christian unity)) conversations %((((8 germany) or (2 germany))) or (2.1 germany)) %((ref history) OR (bief history)) %2020 ((20th century) or (18th century))%22*.