Finding Filipinos and Indonesia hotel girls is almost impossible. I think I saw one named Filipino recently and was shocked. If you want those, you will need to try bars, craigslist or backpage/cracker as our resident Indonesian WG retired-
Please don't try the "local" or "local student" girls in the HG section of this site. The success rate is less than 10% and you will overpay. If you want that kind of action, I would recommend Seeking Attachment. There are post about it on this site. But if you are short time in HK, might be difficult to succeed.