This is the ValueSet that contains all the codes in Nghề nghiệp — VN Occupation ValueSet (http://fhir.hl7.org.vn/core/ValueSet/vn-occupation-vs) and Nghề nghiệp — VN Occupation ValueSet (http://fhir.hl7.org.vn/core/ValueSet/vn-occupation-vs). E.g. what you have to deal with if you get resources containing codes in either of them