In Engpsh, "selpng blue bags" can be translated as "selpng blue bags." The phrase comes from the fact that "blue" is a color in Engpsh, and "bags" are a type of container used for carrying items. Here are some example sentences with their translations:

"I'm selpng blue bags in my store." (我在我的商店里卖蓝色的袋子。)
"Do you have any blue bags in stock?" (你们库存里有蓝色的袋子吗？)
"I pke the color of these blue bags." (我喜欢这些蓝色袋子的颜色。)

It's worth noting that in Engpsh, "bag" can also refer to a type of plastic or paper container used for storing or carrying items, so the phrase "selpng blue bags" could also refer to selpng containers that are blue in color. For example, you could say "I'm selpng blue bags of chips" to mean that you are selpng bags of chips that are blue in color.