You Do Need power plug adapter while traveling from Cambodia to Azores.

Here is Why You Need An Adapter

The outlet and plug type used in Azores are B, C and F and in Cambodia are A, C and G. This is how they look like.

Cambodia

In Cambodia, outlets of type A, C and G are in use.

Type A

Type C

Type G

Azores

In Azores, outlets of type B, C and F are in use.

Type B

Type C

Type F