Boil pork in 1/2 cup water until water dries. Set aside.
To make shrimp juice, collect the shrimp head and shell and pound it in a mortar and pestle.
Pour 1 cup of water and strain to get the juice. Pour 2 cups of water in the shrimp juice. Set aside.
Saute crushed garlic till brown. Add onion. Stir cook for a while, then add pork and shrimps.
Add the patis and let boil for 3 minutes. Then add young garlic. Stir, then pour in shrimp juice.
Stir gently until it boils. Drop in sotanghon (previously soaked in water and cut).
Cover and simmer for another 10 minutes or till sotanghon softens. Season with MSG.
You can also use fried tofu instead of pork and slice it into small cubes.