Therefore, the phrase collectively means: It is a digital retelling of a classic Assamese folk tale that has found new life and a massive audience on social media.
The "new" component in your search query often leads to pages like "Eteima Thu Naba," which is a convoluted, possibly auto-generated article that jumps from the origins of Islamic jihad to movie reviews and software downloads. It's a classic example of spam content: it uses popular search terms like "eteima lukhrabi mathu nabagi wari facebook story" to lure in readers, only to provide them with irrelevant and often malicious links or advertisements.