Do you wished to help Amerasians in Vietnam,here's some options:
Newsmedia: Without the newsmedia,its hard to tell public about the Amerasians their life,and what happend to them. The newsmedia can be newspapers,televisons,radio or internet. Getting in touch with the newsmedia can be the key to public.
Searching for missing person: Any help in searching for missing person,can be father,amerasian or other,are welcomed with open arms. Searching for a person,takes a lot of time, and often you run in to close doors.