Anyone know well about thai rules . Please help me

hello guys                                                                 I'm vietnamese . now i'm living in thailand by visa toursist. In October, i will move from Thai to Laos, and will live in Laos for long term. But after that, i will move back to Thailand and continue living in Thailand. I intend to renew my passport by going to Laos Thai checkpoints every 30 days. Bcs in Laos,  my place is very near laos thai border.  But im concerned about my passport , if in the future, i want to continue staying in thailand, i will have any problem when i entry thailand or not?

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