I have no experience of teaching anywhere but China, but I can say, from friends experiences, that flying "under the radar" isn't recommended because there's all kinds of hills that can just sorta "pop up" and make life uncomfortably interesting!
What I suggest you should do is think just how much you want to teach there, what's your motivation and how badly do you want to be screwed if, or not, you're caught.
Just be careful, listen to all parcels of advice and then weigh up what you know, from those who've been there, with what risks you're willing to take.
In saying this, Thailand rocks!
Good luck and keep your head down if you decide to go.
Just my 2 cents worth again (restocked from the bank
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