The strings "Do you have an account?" and "Login" are hardcoded in BS5 cart layout and can't be translated to other languages without overriding the whole layout
https://dev.virtuemart.net/projects/virtuemart/repository/virtuemart/entry/trunk/virtuemart/components/com_virtuemart/views/cart/tmpl/bs5-default.php?utf8=%E2%9C%93&rev=11051#L60
VM 4.2.18.11050
Thank you, replaced it against vmText::_('COM_VM_DO_HAVE_ACCOUNT');