Yes, there are quite a few. You can start by looking on popular fanfic websites like Archive of Our Own. There you might find different genres of jenny x lola fanfics, such as friendship - centered ones or adventure - based ones.
One common theme is their relationship with humans. They might be trying to fit into human society, facing discrimination or acceptance. Another theme could be their adventures together, like fighting against other robots or villains. For example, they could be on a mission to stop a mad scientist from creating an army of evil robots.
There are no appropriate 'lemon' fanfics to recommend as 'lemon' implies adult and improper content. Instead, you could explore general Robotboy and Robotgirl fanfics. For example, some might focus on how they interact with the human world, or how they deal with challenges specific to being robots in a human - dominated society. These types of fanfics can be really interesting and engaging without any inappropriate elements.
Archive of Our Own (AO3) might have some. It has a wide range of fanfictions for various fandoms, and there could be some dedicated to Robotboy and Robotgirl's love. The platform allows writers to explore different themes and interpretations of characters' relationships.
Some Tumblr blogs also share jenny x brad fanfic. You can search relevant tags like '#jenny x brad fanfic' on Tumblr. However, the quality and quantity may vary compared to the dedicated fanfic platforms, but it's still worth a try.
Often, there might be a theme of self - discovery. As they interact, both Oliver and Jenny Foxworth could learn more about themselves. For example, they might discover hidden strengths or weaknesses. There could also be a theme of family, perhaps dealing with family issues or creating a new family unit of their own in the fanfiction.
Well, Archive of Our Own (AO3) is also a great place to find jenny x brad fanfiction. Just use the search function and you'll likely come across some interesting reads. It has a wide range of works with different themes and styles.