Translation of "조사를" in English

나름대로 조사를 했죠.

I did my research.

조사를 하다가 알게 됐는데

While I was doing some research, I came across this,

거주지가 미래를 결정하는지에 대해 조사를 진행하면서

In trying to find out whether or not your zip code determines your future,

헬레의 질문을 받고 나서 조사를 시작했는데

When Helle brought this question to me, I started digging,

하지만 더 심도 있게 조사를 해 보겠다네요

but that they would be looking into it further.