This is a very different situation from an expatriate with no family ties to Vietnam.
Before applying for successive e-visas, check your eligibility for:
visa exemption certificate for up to 5 years.
Then examine separately, according to your project:
- Vietnamese nationality;
- recognition of Vietnamese descent;
- residency;
- investment;
- employment.
Being a Việt Kiều can open certain opportunities, but these regimes should not be confused.