1. Search bazaar for items in slot Primary and with stat Ratio. 2. Note number of items. 3. Sort by ratio. 4. Duplicate items are removed from the list.
There's definitely something deeper that's borked with bazaar search. I was able to find several items by searching their name when they didn't show up under appropriate criteria.
And if you change the number of items to show on "max results per traders" (down on the bottom of the window) from the default 20 to 200 you will get many more returns of traders, not just items from traders But this was a secret that helped me find many unseen goodies