You can go to https://cloud.google.com/support/docs/issue-trackers and open a ticket at the respective product issue tracker.
To get more hand-holding support, it's the same as AWS, i.e. you pay for it: https://cloud.google.com/support/
To get more hand-holding support, it's the same as AWS, i.e. you pay for it: https://cloud.google.com/support/