To find the root causes of or reason for something
Do we have a special term or expression for the phrase above (as a noun phrase)?

For example:

troubleshooting: find and correct the errors or problems

Thanks a lot in advance

Question

To find the root causes of or reason for something
Do we have a special term or expression for the phrase above (as a noun phrase)?

For example:

troubleshooting: find and correct the errors or problems

Thanks a lot in advance

Answer

"Root Cause Analysis (RCA)" is a well known method for tracing problems back to underlying causes.

https://en.wikipedia.org/wiki/Root_cause_analysis

Answer

"finding and correcting errors or problems"

Answer

Thank you very much for your replies. What I mean is "to search and find the cause of or reasons for some issue". It has something to do with "path analysis" and "management science".