Single arm dumbbell rows are good for back, depending on if you tuck your elbows or flare them out you can focus lats or upper back respectively. Flys and presses are good for chest, but your range of motion isn't great without a bench. Lateral raises are great for shoulders, and curls and tricep extensions for biceps and triceps. For legs you'll probably have to do everything single-legged depending on how heavy your dumbbells can go, but RDLs and squats are great compound movements.
With minimal equipment you'll always be bottlenecked by your form and how heavy your dumbbells can go, so if your dumbbells aren't heavy enough then fight for perfect form and some way to get more value out of each rep, like turning an RDL into a single-leg RDL for example. Let me know if you don't have a bench, there are some makeshift ways to work around that too, although they're not perfect.