This update improves Vietnamese wording across many Odoo apps so the product feels clearer and more natural for Vietnamese users. It helps reduce confusion in daily workflows and supports a better localized experience for the Vietnam market.

Lots of Vietnamese translation in Odoo make native Vietnamese confused. This pull request is with hope to make Odoo closer to Vietnam market.

Products without a selected website category are now handled more appropriately when edited from the online shop. Demo public category data was also simplified, making default shop content cleaner and less confusing.

... frontend  and remove other demo data of public categories

Task: https://www.odoo.com/web#id=10157&view_type=form&model=project.task&menu_id=3942&action=327
Pad: https://pad.odoo.com/p/r.iglL5xnK0X4Afc2m

The sales order form has been reorganized to make it clearer and easier to use. This improves day-to-day navigation for sales teams by reducing clutter across related sales views without changing core business behavior.

- Task: https://www.odoo.com/web#id=10849&view_type=form&model=project.task&action=333&active_id=248
- Pad: https://pad.odoo.com/p/r.6W3CqGJNCRxb5wQC