Perhaps you should try some spelling variations:
upon conversations » union conversations, open conversations, spoken conversations
christian upon » christians upon, christian union, christianity upon
9.13 germany » 9.14 germany, 9.15 germany, 9.16 germany
reef fishery » reef fishes, reef fish
20th century » 18th century
imf history » brief history
2.2 20th » 2020 20th, 2023 20th, 2021 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 %9.13 germany %((reef fishery) OR (imf history)) %2.2 20th century%22.
• Adding a wildcard symbol may retrieve word variants: %christian upon conversations %9.13 germany %((reef fishery) or (imf history)) %2.2 20th century%22*.