Haha nice try 
Unfortunately, I don’t have a hack. Google (as Facebook, as Twitter, etc) hides the URL the user clicked on before going to your website.
We still can count the amount of organic traffic from different platforms:
SELECT
referrer_url,
COUNT(*)
FROM your_pageviews_table
WHERE
referrer_url SIMILAR TO '%https://(www.google.com|m.facebook.com|facebook.com|t.co)/%'
GROUP BY 1
Btw you still can see all the keywords stats in Google Search Console (Performance report > Queries):
