Well, one way to find good ones is to check out fanfiction websites like Archive of Our Own. Just search for 'red vs blue church and carolina' and you'll get a list of stories. Some might focus on their adventures together, while others could explore their relationships in different ways.
There are various 'red vs blue church and carolina fanfiction' out there. You could start by looking at the reviews of different stories. If a story has a lot of positive reviews, it's likely to be good. For example, some stories might have really interesting plot twists involving these characters that make them stand out.
If you want the clearest chapter reference, go to Chapter 77. Early on, Wen Jiaojiao's reminder calmed Shu Yan down.; later, the chapter leans on Indeed, the wild mushrooms on the Southwest Plateau were complex in....
The best chapter pointer here is Chapter 83, "Can Actually Carve Flowers?!". It opens with When they received the task, the three of them were already sharpening... and closes on Since all the guests were staying at Uncle Zhao's cabin, Director Sun....
If you want the clearest chapter reference, go to Chapter 54. Early on, Five minutes later, the people of Chixia Village, who had received the...; later, the chapter leans on Leading them was the village chief himself..
If you want the clearest chapter reference, go to Chapter 56. Early on, Lei Shen originally had no idea about the trending topics on Weibo.; later, the chapter leans on He had been busy renovating his studio for a while and hadn't even had....
If you want the clearest chapter reference, go to Chapter 45. Early on, Helplessly, Jiang Yan had no choice but to step on the accelerator.; later, the chapter leans on As Jiang Li had said, this stretch of road was indeed difficult to....
A practical answer is Chapter 87, because it turns the idea into a concrete scene. The chapter opens with Luckily, at that time, Jiang Li had already taken her pot of stinky..., adds pressure through But she hadn't even been happy for long when reality gave her a cold..., and ends on I'm driven.
The best chapter pointer here is Chapter 58, "Jiang Yan Stranded Abroad". It opens with Facing Jiang Yan's triple barrage of questions, Jiang Li's only response... and closes on By ten o'clock, Jiang Yan was still wandering outside..
If you want the clearest chapter reference, go to Chapter 68. Early on, Jiang Li carried the noodles straight out of the kitchen and came to the...; later, the chapter leans on Uncle had already returned from the fields, and he was sorting through a....
Chapter 53 is the strongest chapter-level answer because it starts from Night had fallen over Chixia Village, eerily void of any human sounds. and follows through on Wait, did this kid accidentally fall into the water?] [Help, this camera....