with open('/home/x79/sisvietnamvn_01/BV_DHYD_HCM/Đội ngũ bác sĩ UMC.html', 'r', encoding='utf-8') as f:
    text = f.read()
if "chuyên khoa" in text:
    print("Found 'chuyên khoa'")
else:
    print("Not found 'chuyên khoa'")