Wash and clean clams and drain them in a colander.
Heat 1 tablespoon vegetable oil in a large frying pan over medium-high heat. Cook scallions until slightly darken, toss them in a large serving bowl.
Heating 1 tablespoon vegetable oil in the same large pan over medium-high heat. Cook garlic till slightly brown, and add ginger and chilli-garlic sauce. Stir-fry them well.
Add clams and 1 teaspoon fish sauce, stir-fry for 2 minutes.
Add scallions and 1 tablespoon fish sauce, stir-fry for another 2 minutes.
Serving Suggestions: Serve in a serving bowl with steamed rice and garnish with chopped cilantro.