The 1st try: My friend agreed to have me use his CC info. I used his CC to open an account (in my home with my PC, no proxy used). The account was created successfully but the ads never show.
The 2nd try: Use my another CC with another billing address. Account was created with no error as well, ads cannot display either
The 3rd try: Ask another friend to open an account with his CC remotely. Account was created successfully and ads were displayed. After that, login AdWords in my home with my PC by using proxy, changed the campaign settings and ads disappeared from Google.
Just my experience. Hopefully helpful for othe folks. And any suggestion about how to re-open an adwords account without being detected by google is highly apprecaitely.
By combining those info, you are transparent to google.