As an expert content writer, I must advise caution. While many sites offer Vietsub, not all are safe or legal. Here are the for the Vietnamese community:
Bạn có thể tìm thấy nhiều tập lẻ của Mùa 1 (như tập 1, 2, 4, 7, 12) được đăng tải bởi các tài khoản cộng đồng. Nền tảng trả phí: star vs the forces of evil season 1 vietsub top
These are legal streaming services in Vietnam. They occasionally acquire Disney content. While they may not always have "Vietsub Top" fan-edited versions, their professional subtitles are grammatically perfect. Check their rotation schedule for SVTFoE. As an expert content writer, I must advise caution