[1][2] He is the first Thai footballer who played for a European club at the German Bundesliga side Hertha BSC.

FC Saarbrücken, it was better for him and he play at least 53 league appearances in two years, scoring seven goals.

[4] Greatest success in this period made him won the title in the Oberliga Südwest in the 1982–83 season and promoted to the 2.

In 1988, Laohakul became assistant coach at Gamba Osaka, a founding member of the J League in 1992.

In 2011 he joined Chonburi again as club manager but at the end of the 2013 Thai Premier League Witthaya resigned from his position to work as technical director.