I think that you will have to settle for NOID. Many of the Thai growers use "trade names", don't register the names officially. The international registrar is the Royal Horticultural Society (RHS) in the UK, and to register a plant one has to know its "pedigree" and pay a small fee. The bigger growers around the world register their plants, or make crosses with named plants. But there are lots who don't.
So enjoy your plants, they are just as beautiful without names when they bloom. If you post "bloom" photos, members often can make "educated guesses" at least about which groups of Dens might be involved, but an actual ID, impossible.
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