This is just here to track my favorite search queries:

(((dragon & (elf | human)) | (dragon & (bestiality | beastiality | zoophilia))) & (penis | vaginal | orgasm | cum | semen | sex | nsfw | oral | scalie | scaly | breeding)) -gay -m_m -amethyst_mare -amethystmare -diaper -abdl -vore -snuff -ych -auction -transgender -tg -tftg -futa

(elf | human) -gay -mpreg -oviposition -diaper -abdl -vore -pokemon -pokephilia -transgender -tg -tftg -futa -amethyst_mare -amethystmare