Apartments or houses with a yard

I lived out in Tuol Kork before. Lots of homes and apartments with yards or open spaces. It's  away from downtown and there are many neighborhoods to look at. Have you looked around there? There is a hotel I stayed at called LaLune Hotel. There are nice public markets, coffee shops, and restaurants close by. Maybe try searching there. Here's a site about real estate there.

realestate.com.kh/location-profiles/location-ultimate-guide-to-TK/

Have you thought about roof top gardening.    It's a trend in many Asian cities. Turning roof tops into productive organic gardens.  I just read an article on the web bout how popular it's becoming in Singapore.    It most likely would be easier to find a place with roof top or a terrace in PP than a yard.   Just a thought