This site accepts any cards from Russian Federation banks and "Mir" (including Belarus and Kazakhstan). For payment with Visa/Mastercard cards from other countries, go to the international version.
Seems like the input contains a string with euros and repeated symbols. The appropriate Thai translation would be a faithful render of the phrase. Since it's a nonsensical string, I will translate it literally to: "ความลับของสนม" and preserve the repeated euro signs as separators?