How to travel from Vietnam to Cambodia by bus?

In August 2015, after spending a great few days in Ho Chi Minh City, Vietnam, my friend and I decided that it was time to hit the road again and head to Cambodia for the next stop on our Asian adventure. Whilst in Ho Chi Minh we’d managed to break both our Couch Surfing virginities and had been staying with an incredible girl named Van Cola who had not only been truly hospitable but she’d …