Perhaps you should try some spelling variations:
he conversations » e conversations, have conversations, one conversations
christians he » christians have, christians held, christians home
17th century » 18th century, 19th century
20th century » 18th century
2 germany » 2 german, 8 germany, 5 germany

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: %christians he conversations %((2 germany) OR (7 germany)) %reef fish %2023 ((17th century) OR (20th century))%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%christians he conversations %((2 germany) OR (7 germany)) %reef fish %2023 ((17th century) or (20th century))%22".
• Adding a wildcard symbol may retrieve word variants: %christians he conversations %((2 germany) OR (7 germany)) %reef fish %2023 ((17th century) or (20th century))%22*.