There are several places to look for VC Andrews fanfiction. FanFiction.net is a great start. It has a search function that allows you to specifically look for VC Andrews - related fanfiction. You can filter the results by things like genre, length of the story, and rating. Additionally, some dedicated book - related forums might also have threads where fans share their own VC Andrews fanfiction or links to where they can be found. AO3, as I mentioned before, is also a wonderful resource. It has a community of writers and readers who are into different types of fanfiction, and VC Andrews fanfiction is no exception.
Some popular VC Andrews fanfiction might include those that expand on the relationships between the characters in her novels. For example, there could be fanfictions that further explore the bond between the Dollanganger siblings from 'Flowers in the Attic'. Another popular type could be ones that give different endings to the rather tragic stories she wrote.
As far as I know, in Solo: A Star Wars Story, VC139 doesn't seem to hold any particular significance. The movie mainly focuses on the adventures of Han Solo, his encounter with Lando Calrissian, and their various escapades in the Star Wars universe. There are no obvious references or plot points related to VC139.
In the ending of GTA San Andreas, CJ has overcome a lot of challenges. He has defeated his enemies, including those who were trying to take over his neighborhood and his family. He finally unites his family and friends and has a firm hold on the streets of Los Santos again. It's a victory for CJ after all the chaos and battles he has been through.
Some popular ones might be those that explore the backstories of the characters from her novels in more depth. For example, stories that focus on the early lives of the Dollanganger family before the events of 'Flowers in the Attic'.
First, you need to be very familiar with vc andrews' works. Read all of her books multiple times to understand the characters, the settings, and the overall tone. Then, think about a story idea that could fit within the universe she created. It could be something as simple as a day in the life of a minor character.