Perhaps you should try some spelling variations:
upon conversations » union conversations, open conversations, spoken conversations
christianity upon » christianity among, christianity along, christianity from
9.13 germany » 9.14 germany, 9.15 germany, 9.16 germany
imf history » brief history
21 germany » 11 germany, 2 germany, 20 germany
2f history » etf history, ref history, tnf history
2f 20th » 2.2 20th
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: %christianity upon conversations %((21 germany) OR (9.13 germany)) %((2f history) OR (imf history)) %((2f 20th) OR (20 20th)) century%22.
• Adding a wildcard symbol may retrieve word variants: %christianity upon conversations %((21 germany) or (9.13 germany)) %((2f history) or (imf history)) %((2f 20th) or (20 20th)) century%22*.