On 10 March 2021, Khemdee made the debut with OB in the quarterfinals of the 2020–21 Danish Cup against Midtjylland.

[3] On 21 November 2022, OB and Næstved the current club issued a statement announcing the termination of the contract with the consent of both parties.

[4] On 21 January 2023, it was announced that Ratchaburi signing of Khemdee, introduces in front of the fans at the Dragon Solar Park during the 2022–23 Thai League 1 debut game, the second leg against Khonkaen United.

[5] On 15 October 2021, Khemdee was called up to the Thailand under-23 national team for the 2022 AFC U-23 Asian Cup qualification phase.

[9][10] In December 2023, Khemdee decided to come back to play for international football with Thailand U23 preparing for 2024 AFC U-23 Asian Cup.