👉 The term "okolehao" is a traditional Vietnamese greeting used to express good wishes or greetings. It is often accompanied by a slight bow and a nod of the head, which can be used to introduce oneself or another person to one another. In Vietnamese culture, the phrase "okolehao" has been adapted into various forms over time, such as "mua kiem" (to buy), "tuyet tien" (good luck), or even "hay ph