Perhaps you should try some spelling variations:
opened conversations » oriented conversations, end conversations, open conversation
open conversations » agent conversations, roman conversations, content conversations
reef history » brief history, reeves history, reef fishery
12 germany » 11 germany, 12 german, 2 germany
2023 18th » 2023 8th, 2023 11th, 2023 10th

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "%christian ((opened conversations) OR (open conversations)) %12 germany %reef history %2023 18th century%22".
• Adding a wildcard symbol may retrieve word variants: %christian ((opened conversations) OR (open conversations)) %12 germany %reef history %2023 18th century%22*.