The ornamental design for a displayscreen or portion thereof with graphical user interface, as shown and described.
The patent or application file contains at least one drawing executed in color. Copies of this patent or patent application publication with color drawing(s) will be provided by the Office upon request and payment of the necessary fee.
FIG. 1 is a front view of a display screen or portion thereof with graphical user interface showing the claimed design; and,
FIG. 2 is another embodiment thereof.
The broken lines in the figures show a display screen or portion thereof, and form no part of the claimed design.