VN 601 then KR 704 at Bangkok
Ho Chi Minh City → Bangkok → Phnom Penh
Timetable, Bangkok time
10:15VN 601 from Ho Chi Minh City at the gate
22:20KR 704 to Phnom Penh leaves the gate
12 h 05 apart on the timetable
KR 704 leaves 12 h 05 after VN 601 arrives on the timetable: more than half a day, so not a connection we count.