I've tried to search the characters you have pasted via my test iPhone, but I'm gettings the exact same results as on my desktop.
iPhone screenshot: https://i.imgur.com/MgjZ3mR.png
Desktop screenshot: https://i.imgur.com/Vplxg5v.png
Make sure to clear your device browser cache, it might be affecting it. I'm not sure what might be causing this.Best,
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