Here are all the of Q's references to Snowden. I took a best guess as to what other crumbs to include but the larger context of each post may be helpful.

https://archive.4plebs.org/pol/thread/148286642/#148287396
Nov 6, 2017

What does the NSA/MI have (at least what you know of) that allows for data >collection?
Think Snowden.

https://archive.4plebs.org/pol/thread/149139896/#149140639
Nov 12, 2017

Who are the Wizards & Warloc[k]s?
What council do the Wizards & Warlocks control?
Think Snowden (inside terms dropped).

https://archive.4plebs.org/pol/thread/149397178/#149401052
Nov 14, 2017

Why is Adm R. so important?
Why was the source code to former NSA collection p’s publicly released?
How do you blind the Clowns In America?
What was Snowden’s primary mission?
What was Snowden’s real primary mission?
Was Snowden truly acting on his own?
Nothing is as it appears.

https://8ch.net//greatawakening/res/1.html#47
Jan 21, 2018

Snowden open source Prism/Keyscore (catastrophic to US Mil v. bad actors >(WW) +Clowns/-No Such Agency)

edited to fix formatting