YOU SAID:

I went to the store for food and then found some food

INTO JAPANESE

私は食べ物を買いに店に行き、それから食べ物を見つけました

BACK INTO ENGLISH

I went to the store to buy food, and then I found food.

INTO JAPANESE

私は食べ物を買うために店に行き、それから食べ物を見つけました。

BACK INTO ENGLISH

I went to the store to buy food, and then I found food.