Perhaps you should try some spelling variations:
when conversations » open conversations, win conversations, agent conversations
22christian when » christians when, christian women, christian who
ref history » reef history, brief history, bief history
11 germany » 11 german, 1918 germany, 7 germany
21 germany » 2 germany, 20 germany, 7 germany
2020 18th » 2020 16th, 2020 15th, 2020 8th

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 when conversations %((11 germany) OR (21 germany)) %ref history %2020 18th century%22.
• Adding a wildcard symbol may retrieve word variants: %22christian when conversations %((11 germany) or (21 germany)) %ref history %2020 18th century%22*.