If your want to get your visa approved by the traditional way you need to visit the Vietnam embassy in Romania to get the same. You must keep in mind that you should visit the Vietnam Embassy in person. In case it is impossible for you to reach the Embassy in person, you need to contact with the embassy in advance to know if they allows visa application by post.
Procedure
In case you are a Moldovan citizen applying for Vietnam visa through the Vietnam Embassy in Romania, you need to carry your Moldovan passport along with you. You must have a valid passport that is still having 6 months validity. Other important documents needed are 2 recent passport sized photo and stamping fee. This may vary from one Embassy to another. The processing time needed is 5-7 working days.
Alternate way
The process of getting Vietnam visa from the Vietnam Embassy is a time consuming as well as a complex process. To avoid such problems many people now prefers the alternate way of getting Vietnam visa on arrival. This process can also be adopted by the people of those countries where there is no Vietnam embassy and it is impossible to visit the neighboring Vietnam embassy. This is also the most convenient way of getting a Vietnam visa for those who lives far away from the Vietnam embassy and do not wishes to send away their passport by post.
Procedure
In such cases you need to apply for Vietnam visa online by filling in the online visa application form. You do not need to show your passport during the application process. However, you need to carry it with you in order to get the visa stamped on your passport on your arrival to the Vietnam airport. After filling in the application form all you need to do is pay the service fee and wait for 1-2 working days to get your visa approval letter.
The second process is highly recommended for those who are planning to travel Vietnam by air. Such online visa services are started in order to avoid the long procedures of getting Vietnam visa from the local Vietnam Embassy. You can also save a lot in this way. Make sure that you carry your approval letter and some US dollars to pay the stamping fee at the Vietnam airport.