I don't know, I opened nl.aliexpress.com in a private browser tab and immediately got the NSFW suggestion on first try. The class of the div where the suggesti

I don't know, I opened nl.aliexpress.com in a private browser tab and immediately got the NSFW suggestion on first try. The class of the div where the suggestions are placed is class="hot-words", so I would say this is the result of someone spamming the search box with nasty terms and AliExpress just showing them based on 'popularity'.