Perhaps you should try some spelling variations:
spoken conversations » spoken conversation, open conversations, oboen conversations
christian spoken » christian scorn, christian shore, christian steven
reef history » brief history, reeves history, reef fishery
20th century » 18th century
ref history » brief history, bief history, imf history
2 germany » 7 germany, 2 german, 8 germany
2021 20th » 2021 24th, 2020 20th, 2021 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 spoken conversations %2 germany %((ref history) OR (reef history)) %2021 20th century%22".
• Adding a wildcard symbol may retrieve word variants: %christian spoken conversations %2 germany %((ref history) OR (reef history)) %2021 20th century%22*.