In communities like (archived), Addic7ed , or OpenSubtitles , users upload adjusted subtitles. A thread titled [REQ] NTRD-123 engsub synchronization might lead to a file named Convert02-00-00 Min — meaning the subtitles were shifted by 0 minutes (i.e., no delay) but converted to a different format (e.g., from SSA to SRT, version 2.0).
Search for NTRD-123 without the extra tags. The base catalog number is your real anchor. NTRD-123-engsub Convert02-00-00 Min
If you're looking for information or a summary of the content associated with this code, here are a few steps you can take: In communities like (archived), Addic7ed , or OpenSubtitles
An article about the keyword cannot be written because it is an internal filename , not a known published work. It appears to be a user-renamed media file containing a video from an unknown studio, with English subtitles added after a second conversion pass. The base catalog number is your real anchor