This can be done with tags without "ruining" the thread title, the thread will then appear in search if you use those variations. I often add tags with underscores and without spaces in cases like this.
Sure I agree but Tags are not used in threads 100% of the time. But a title is required 100% of the time. And when tags are used, they are often common tags that hardly discern the false-positives from the actual content we are looking for. Tags are a great feature when used correctly. From my years of sleuthing several forums I’ve noticed Tags haven’t caught on the way you and I want them to.
Well that only works IF the three-letter-word you're searching for is the model's name and IF the topic creator properly formats the title. Those are two big IFs. And really, it's a lot of extra work when the whole thing could just easily be solved by turning on three-letter-word searches. I mean, everyone gets that's the easiest option, right?
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We can keep debating the technical side of this, but at the end of the day most sites have three-letter-word searches enabled. This is one of the few sites that doesn't. So I can't believe there is some insurmountable technical barrier keeping us from getting this done. Not when the vast amount of other forums have managed it.