Zerith Mortis Treasures are not appearing

I have tried to find 3 treasures in Zerith Mortis. Offering of the first ones, Damaged Jiro Stash and Overgrown Protofruit. I have waited for 30 minutes for each one and nothing appears. Please help or make a suggestion. Thank you!

On the Overgrown Protofruit, you only get that once per character. So, if you already got it once on that character, you are out of luck. If not, it is next to Firim’s Hideout above the FP.