Since the phrase is rather unclear, it's difficult to give exact examples. But if we assume 'long tung stories' means long and detailed stories, they could be about personal experiences in the lesbian community, like how they met their partners, or stories about overcoming challenges related to their sexual orientation.
If we take 'long tung stories' to mean stories with a lot of depth and substance, some examples could be stories of self - discovery within the lesbian identity. Maybe a story about a woman who struggled to accept her own lesbian feelings and then finally came to terms with it. Or it could be stories about building relationships within the lesbian community, such as how two women supported each other through difficult times and grew closer as a result.