You can start by looking on fanfiction websites such as Archive of Our Own (AO3). It has a large collection of fanfictions across various fandoms, and there's a good chance you'll find some great Rose Wilson fanfictions there. Another option is FanFiction.net, which has been around for a long time and has a wide range of stories.
One great Rose Wilson fanfiction could be 'Rose's Redemption'. It might explore her character in a new light, perhaps showing her struggle to break free from her past and find a new purpose. Another interesting one could be 'Rose and the Outlaws', where she teams up with some unlikely allies and they go on adventures together.
The movie 'Charlie Wilson's War' has some elements that are based on facts and some that are fictionalized for the sake of the story. For example, the general outline of Charlie Wilson's efforts to support the Afghan rebels against the Soviets is a fact. However, some of the personal interactions and the extent of certain events might be dramatized. In real life, Wilson did play a crucial role in getting funding and support for the Afghan resistance, but the movie might simplify or exaggerate some aspects to make it more engaging for the audience.
In the 'rwby tai vs raven fanfic', it might focus on the backstories that led them to this point of conflict. Tai might be fighting for the sake of his family or his ideals about protecting Remnant. Raven, on the other hand, could be in the fight for her own self - interest or to protect secrets she holds. The fanfic could also show how their relationship, whether it was once friendly or always strained, affects the way they fight each other.
The plot could involve them starting as rivals. For example, they might be on opposite sides in a battle or competition, but then gradually realize they have more in common than they thought and become friends or even allies.
One great source could be Archive of Our Own (AO3). There are numerous fanfictions there that focus on the relationship between Jason Todd and Rose Wilson. You can search by the characters' names and filter by tags like 'Romance' or 'Adventure' to find ones that suit your taste.
Perhaps Wilson is a character in a particular series or a book. He might be the protagonist who has a special connection with the stories he reads, like using the stories to solve problems or gain wisdom in his own life.
Perhaps a plot twist would be that during the fight, Tai discovers a secret about Raven that completely changes his perception of her. For example, he finds out that she has been working undercover to stop a greater threat all along, and their fight then turns into a reluctant alliance against a common enemy.
When writing their relationship, it's important to show the chemistry. Maybe start with some banter between them. Jason's sarcastic remarks and Rose's sharp comebacks can create an interesting dynamic. Also, consider their different skills. Jason's combat skills and Rose's martial arts abilities could be used in action scenes that also further their relationship, for example, saving each other during a fight.