Perhaps you should try some spelling variations:
early conversations » party conversations, daily conversations, family conversations
1918 germany » 8 germany
bief history » brief hystory, imf history, reef history
ref history » reef history, imf history, etf history
21 germany » 2 germany, 20 germany, 7 germany
11 germany » 11 german, 7 germany, 8 germany
%christianity » %christian

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: %christianity early conversations %((21 germany) OR (((11 germany) OR (1918 germany)))) %((ref history) OR (((bief history) OR (brief history)))) %2.2 ((20th century) OR (18th century))%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%christianity early conversations %((21 germany) or (((11 germany) or (1918 germany)))) %((ref history) or (((bief history) or (brief history)))) %2.2 ((20th century) OR (18th century))%22".
• Adding a wildcard symbol may retrieve word variants: %christianity early conversations %((21 germany) or (((11 germany) or (1918 germany)))) %((ref history) or (((bief history) or (brief history)))) %2.2 ((20th century) OR (18th century))%22*.