Figured out the right phrase to find square tubing heatsinks on AliExpress

[duckduck]

I finally cracked the code.

[magic]

 

That's quintessential AliExpress experience. And it's not just the fault of weird translations, but the search engine itself is very unhelpful too. You really need to hit the right phrase to get meaningful results; remove one magic word from the query and it will return completely different things or even nothing at all.

And sometimes switching the sorting order causes a bunch of offers to simply disappear