Hello Suntti K.
Glad to know you are using LibreOffice in your office and welcome to the
documentation Team. Our team is dedicated to create the best technical
literature for LibreOffice and have it translated in all languages,
including Thai.
Make sure you go thru the documentation team introduction in the wiki page
https://wiki.documentfoundation.org/Documentation/DocumentationTeamInfo/JoinDocTeam
To start, please get a username for our web services, by following the
instructions in the page
https://wiki.documentfoundation.org/Infra/SingleSignOn
Then poke me to let me know your user id and to grant you access to our
literature for edition or translation.
Please note these other contact points with us (besides the current
mailing list)
*The documentation webchat*