I believe you're asking for the English translation of "lá sâm Ngọc Linh" in Vietnamese.
The answer is Ngọc Linh ginseng leaf.
While "lá sâm" directly translates to "ginseng leaf," including "Ngọc Linh" specifies the origin of this particular ginseng, which is crucial because Ngọc Linh ginseng is a highly prized and specific variety from the Ngọc Linh mountain range in Vietnam. Therefore, "Ngọc Linh ginseng leaf" is the most accurate and informative translation.
