Perhaps you should try some spelling variations:
when conversations » open conversations, agent conversations, chain conversations
win conversations » wine conversation, wins conversation, chain conversations
reeves history » waves history, lives history, heresies history
20th century » 18th century
etf history » reef history, imf history, ref history
2f germany » 2 germany, 20 germany, 21 germany
20 20th » 90 20th, 2019 20th, 2020 20th

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 ((win conversations) OR (when conversations)) %2f germany %((etf history) OR (reeves history)) %20 20th century%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%22christian ((win conversations) OR (when conversations)) %2f germany %((etf history) or (reeves history)) %20 20th century%22".
• Adding a wildcard symbol may retrieve word variants: %22christian ((win conversations) OR (when conversations)) %2f germany %((etf history) or (reeves history)) %20 20th century%22*.