Trust is a big theme too. Given Sasuke's past, learning to trust his love interest is a major part of these fanfics. It adds a lot of drama and depth to the relationship as he struggles with his trust issues while falling in love.
One common theme is redemption. Sasuke often has to atone for his past actions and in the process, his love for Sakura grows. It shows that love can be a force for change.
One common theme is the 'opposites attract' concept. Sasuke is often portrayed as cold and brooding, while Hinata is shy and gentle. Another theme could be the idea of healing. Maybe Sasuke is still dealing with his past traumas, and Hinata's presence helps him heal. Also, the theme of forbidden love might come up since they are from different clans in the Naruto universe.
One common theme is redemption. Since Sasuke has made some controversial choices in the original Naruto series, many fanfics focus on him redeeming himself. Another theme is love, whether it's romantic love with other characters like Sakura or a different kind of love for his friends and the village. Also, power - seeking is a theme, as Sasuke was always after power, and fanfics often explore his continued pursuit or his new understanding of power.
One common theme is redemption. Sasuke might be on a path of redemption in the fanfic, and Sakura is there as a symbol of his new start. Her love represents a chance for him to fully embrace a more positive life.
One common theme is innocence. Since it's about baby Sasuke, it often shows his pure and innocent state before all the tragedies. Another theme is family bonds, especially with his parents and brother.
Themes like loyalty are very frequent. Naruto's unwavering loyalty to Sasuke and vice versa is often explored. Family also plays a part. Given their complex family backgrounds, fanfics may touch on how they create a new kind of family with each other. And of course, the theme of rivalry - how they keep pushing each other to be better, even when they become friends.
One common theme is friendship. Their bond is often explored, from how it started to how it endures through all the difficulties they face.
A common theme is redemption. Sasuke has a complex past, and many fanfics focus on how Sakura helps him find redemption and come back to the side of good. Another theme is love conquers all. Despite all the hardships and differences between them, their love is shown to be strong enough to overcome any obstacle.
The theme of sacrifice is quite common. Sakura has always been willing to sacrifice for Sasuke, and this is often highlighted in fanfics. Another theme is the power of second chances. Sasuke getting a second chance at life in the village and with Sakura is a frequent plot point. Also, the theme of healing. Both of them have emotional scars, and fanfics often deal with how they heal each other's wounds.
One common theme is the exploration of their different personalities. Sasuke is often brooding and focused on revenge, while Tayuya is more brash. Fanfics might play on how they interact given these differences.