Perhaps you should try some spelling variations:
christian opened'd » christian open'd, christian orsted's, christian pinedo
christian opened » christ opened
bief history » brief history, brief hystory, imf history
ref history » reef history, brief history, imf history
21 germany » 11 germany, 2 germany, 20 germany
2.2 18th » 2021 18th, 2024 18th, 2022 18th

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: %((christian opened) OR (christian opened'd)) conversations %21 germany %((ref history) OR (bief history)) %2.2 18th century%22.
• Adding a wildcard symbol may retrieve word variants: %((christian opened) or (christian opened'd)) conversations %21 germany %((ref history) or (bief history)) %2.2 18th century%22*.