Seduction is a creative art, and there is little in the way of "technique".
What worked for me in Thailand is a variation of what happens in the west. The main difference is that Thais are more playful on average, and usually less serious except conformists from conservative families. You should joke as much as you can.
Eventually, she will visit your home, initially with a friend in most situations.
It helps to have a nice and comfortable place. Here is what I recommend:
Nice music is essential. I have a computer whose hard disk is loaded with MP3 music and prepared playlists. Different playlists for different moods and stages. A mix of Thai and farang music. Mainly pop and romantic. I don't shuffle CD's, but instead convert them to MP3, copy them to the hard disk, and store away the original in a box somewhere. Of course, my computer is connected to my stereo. Before you do this, better read about electrical grounding.
A clean place is vital.
Comfortable places to sit down should be apparent.
Nice decor.
Photo albums of your home and your life.
Air conditioning can help a lot. I keep it on the very cool side.
Lots of pillows and things soft and thick.
A TV with some romantic and other kinds of videos can be nice.
Just in case, better have some condoms in the drawer beside the bed.
Eventually, it may come to an increasingly physical encounter, that 3 letter word. Thai ladies are much more shy about their bodies when it comes to anything serious physically. The keyword here is "sensitive". There won't be much variety on the menu for awhile.