Most likely not. Usually, such works are the product of the author's imagination and creativity rather than being based on actual happenings. 'Pulang' seems to fall into this category.
There are so many possible interpretations of 'cari farver story'. It could be a family heirloom of a story passed down in a family where Cari Farver was an important figure. It might also be a new, emerging story in a particular community or among a group of friends. If you can give some more background information, like where you heard it or what genre it might be, it would be easier to explain.
The main plot of Niu Pulang was that he pretended to be the late poet Niu Buyi and became a famous poet by impersonating him. Niu Pulang had obtained Niu Buyi's poetry collection by chance. Because they shared the same surname, he decided to impersonate Niu Buyi. He made friends with the powerful and befriended Niu Yupu, and successfully sent the big swindler Niu Yupu away. However, the real Niu Buyi's good friend, Feng Zhuo 'an, exposed his true identity, and Niu Pulang was reported by Grandma Niu. However, the foolish Xiang Zhixian let Niu Pulang off, allowing him to continue to impersonate Niu Buyi. Niu Pulang's story revealed the dangers of human greed and vanity, as well as the existence of deception in society.
As I don't know the details of the 'pulang real story', I can't determine its significance. It could be significant to a particular group of people who are related to it in some way.
I'm not sure specifically what the 'pulang full story' is as it could be a very specific or personal story. It might be a story related to a particular place, person, or event named Pulang.
It seems that Pulang Araw isn't based on a true story. It's likely a concoction of the author's imagination and story-telling skills to engage the audience.
I don't know the 'cari farver' real story. It could be a name known only in a small group or a specific area. Maybe it's a new name for a startup or a local hero.
I'm not sure specifically which 'pulang real story' you are referring to. There could be many stories with that name. It could be a personal story, a local legend, or something else. More context would be helpful.