Heat oil in a large pan.
Fry the thinly sliced beef in a pan on both sides for 2-3 minutes. Sprinkle with salt and pepper. Layout the pieces in one layer. If necessary, do it in several approaches. Transfer to a container, cover with a lid or foil.
Add chopped red pepper, celery, and broccoli to the pan. Cook for 4-5 minutes until soft.
Add the corn and garlic and cook for another minute.
Add the beef back to the vegetables, mix.
In a separate bowl, combine beef broth, soy sauce, oyster sauce, rice vinegar, honey, chili paste, and corn starch. Pour into a pan, mix and cook until the sauce thickens.
Serve hot with sauce over rice.