Display screen or portion thereof with graphical user interface

[0001]The sole FIGURE is a front view of a display screen or portion thereof with graphical user interface showing my new design.

[0002]The dash-dot-dash lines depict a boundary line of a display screen or portion thereof, and form no part of the claimed design.

[0003]The dash-dash-dot line rectangle indicates a boundary that forms no part of the claimed design. The shaded area outside the dash-dash-dot line rectangle forms no part of the claimed design.

[0004]The dash-dash-dash lines in the figures illustrate features that form no part of the claimed design.