Perhaps you should try some spelling variations:
upon conversations » union conversations, open conversations, spoken conversations
christian upon » christians upon, christian union, christianity upon
20th century » 18th century
imf history » brief history
12 germany » 11 germany, 12 german, 2 germany
14 germany » 4 germany, 11 germany, 1945 germany
21 germany » 11 germany, 2 germany, 20 germany
2f 20th » 20 20th, 2.2 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: %christian upon conversations %((((12 germany) OR (14 germany))) OR (21 germany)) %imf history %2f 20th century%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%christian upon conversations %((((12 germany) OR (14 germany))) or (21 germany)) %imf history %2f 20th century%22".
• Adding a wildcard symbol may retrieve word variants: %christian upon conversations %((((12 germany) OR (14 germany))) or (21 germany)) %imf history %2f 20th century%22*.