Slice celery diagonally, thinly slice red onion and soak in water, then drain. Mince garlic, halve cherry tomatoes, and chop cilantro.

Peel and devein shrimp, then rinse under water.

Mix fish sauce, lemon juice, sugar, and chili flakes in a large bowl.

Boil water in a pot and cook glass noodles according to package instructions. Drain and add to the bowl with the seasoning mixture.

Boil shrimp in the same pot for 2 minutes until cooked, then drain. Cook ground chicken in the same pot for 2 minutes until done, then drain.