The link says "no sexual service available"
Of course it does ... it's Gumtree advert. They don't accept adverts for "adult services".
Massage shops are just that ... Massage shops.
If you are lucky then in 95% of Chinese shops and 50% of Thai shops you might get an offer of HE and, possibly, B2B.
Don't ask for it by phone, text or in reception ... most will deny it.
If you want certainty then stitck to AW ... although as your 10/7/3 record tells you ... even then there's no certainty.