Since legacy was so laggy, while doing quests I was trying to search for the items via kumos shop search. Only problem? It doesn't seem to know some of the items exist. For example,Maleria asked me for Donadak Magic-Powered Mace. The shop search suggests Pirate Donadak Plushie instead, and it won't search for the original item. I had the same issue trying to search for Orange of My Dreams Scented Primo Blubbo the other day too. It pulls up a bunch of unrelated orange items, I thought maybe the item name was too long or that I'd misspelled blubbo or something, but no, even pasting it directly from the token shop doesn't work. There's no stray spaces (which I've also noticed cause issues, especially before the item name) or any extra characters that I can tell.
There's still a lot of items Kumos doesn't know yet 🙃