One common theme could be friendship. Linus and Max might be depicted as having a strong bond that overcomes various challenges. Another could be adventure, where they go on exciting journeys together.
I'm not sure specifically which 'linus x max fanfic' stories are good as there are a vast number of fanfics out there. But you can start by looking on popular fanfic websites like Archive of Our Own. They have a large collection and a good search function that might help you find some interesting 'linus x max' fanfics.
A common theme is friendship. Their friendship is often explored in depth, like how they support each other through tough times. For example, in many fics, Max uses her time - rewind power to help Chloe in various situations.
A lot of Max x Billy fanfics also deal with the theme of protection. Billy might be seen as protective of Max in some fics, or vice versa. This could be in the context of the strange and dangerous events that happen in the show's universe. Additionally, friendship - turned - into - more is a popular theme. They start off as step - siblings who may not get along at first, but then their relationship evolves into something deeper and more romantic.
Another theme is empowerment. Eleven has her powers and Max is a strong - willed girl. Fanfics often show them using their combined strength, whether it's physical or mental, to overcome difficulties. They inspire each other to be better and stronger.
In a 'camp camp max x david fanfic', the author could focus on the different personalities of Max and David. Max is often cynical and a bit of a troublemaker, while David is overly positive. Their contrast can create interesting storylines, like when Max's sarcasm clashes with David's naivete, leading to humorous or poignant moments.
Friendship is a common theme. David and Max often form a strong bond in these fanfics. They might start as acquaintances or even enemies and then grow closer.
One common theme is friendship development. Since they are often friends in the original source material, fanfics might explore how their friendship deepens over time. Another theme could be adventure. They might go on some sort of adventure together and face challenges that bring them closer.