Can we use for Vietnamese Speech?

I have alphabet.txt and vocaburary.txt, using kenlm, create lm.binary.
But i can not create trie file.
I have created to use for my website https://www.hotels-in-vietnam.com which helps travelers to book hotels in Vietnam online with cheapest price for their holidays.

hello.

Why??

What was your command, to create TRIE ?

What error ?