Hunting down niche web stories can feel like treasure hunting, and I love that part of it. If you want to read 'Sold into servitude, now they regret', my first stop would be big serial hubs where indie authors post: Wattpad, Royal Road, Tapas, and Webnovel are the usual suspects. I tend to start by Googling the exact title in quotes — "'Sold into servitude, now they regret'" — and then add site:royalroad.com or site:wattpad.com to narrow results. Sometimes authors shorten or tweak titles, so try variants like dropping punctuation or swapping words.
If that fails, I check aggregator indexers such as NovelUpdates and Reddit threads; NovelUpdates is brilliant because it links to the original thread, translator notes, and chapter lists. I also search Archive of Our Own and fanfiction.net in case the story began as fanfiction with a similar name. If the work looks like it was translated, search for the translator or a TL group—Twitter, Discord servers, and Tumblr can point to where chapters are hosted.
Finally, remember creators sometimes publish officially: check Amazon/Kindle, Google Books, or the author’s personal blog/patreon. If a work was taken down, the Wayback Machine sometimes saves chapters, but respect the author’s rights and support them if a paid edition exists. Happy hunting — I always get a little thrill when I finally locate a rare gem like that.