Can I Controlling Google Homepaired Devices through Vera?
not directly, but node red will make it.
do you have any link to tutorial?
This thread has something to look
Node-red has extensive docs
https://nodered.org/docs/
I think this node will do what you want, never tried as do not use google home.
https://flows.nodered.org/node/node-red-contrib-google-smarthome