Scratch my back; I’ll scratch yours.
More Vietnamese Proverbs:
A day of travelling will bring a basketful of learning.Vietnamese
Don't trouble trouble until trouble troubles you.
Vietnamese
The crane was killed by the fishhook.
Vietnamese
Make the amount of sauce you use correspond to the amount of rice you have.
Vietnamese
One often gets what one disdains.
Vietnamese
He wanted to cure a healthy pig and ended up with a sick one.
Vietnamese