there are many bitcoin services out there if you simply search this forum or in google
I wouldn't trust any old bitcoin mixing service out there on search engines. Stick to those with good reps on this forum if anyone is going to mix their bitcoins. Like you said, BitMixer.io has maintained a great trust network on this forum and out, so they're probably a good place to go if the OP is still looking for a place.
There's a lot of phishing going on with search engines, especially if you're using alternatives to google.
I would also advise to stay off them or make sure you get the right results.
