In 2004 , Phan Van Khai , the Prime Minister of Vietnam visited Singapore .
In 2004 , Phan Van Khai , the Prime Minister of Vietnam signed the Joint Statement on the Comprehensive Cooperation Framework in the 21st century .
In 2004 , Phan Van Khai , the Prime Minister of Vietnam visited Singapore and signed the Joint Statement on the Comprehensive Cooperation Framework in the 21st century .