I tried typing my credit card exactly but payment process is not working.

Thanks for your careful checking. Nothing is perfect so may some error occurred during tranfering information. In this case

• You can leave a quick message about your order in the live chat system, we will fix the issue as soon as possible.
• Our live chat team is available from Monday to Friday, 8:00 - 17:30 (GTM +7). For the instant contact please note our official working time.
• Don’t worry, the live chat system is serious protected so all your personal information won’t be leaked out.
• To avoid this unexpected event, Paypal would be highly appreciated to prevent unusual incidents.