Mr. Charite, I am sorry for any confusion you are continuing to face. If you wish to add additional seats to your Creative Cloud for Team account then please work contact your local reseller in Thailand as was suggested in case ADB-482959-T5C5.
If you have additional questions regarding your Creative Cloud for Team membership then see Creative Cloud for teams.. You are currently posting in a public discussion forum available to anyone with Internet access. Please see the Get Help section of Creative Cloud for teams for information on how you can access the expert services included with the Creative Cloud for Team membership.