"Russia, if you're listening, I hope you're able to find the 30,000 emails that are missing, I think you will probably be rewarded mightily by our press," Trump said in a July 27, 2016 news conference.
On or around that day, according to the indictment, which was announced Friday, Russian actors sent phishing emails to accounts at a domain used by Clinton's personal office. They also targeted 76 email addresses on the domain used by the Clinton campaign, though the exact timing of both of those efforts is unclear.
https://www.pbs.org/newshour/politics/trump-asked-russia-to-find-clintons-emails-on-or-around-the-same-day-russians-targeted-her-accounts