The ornamental design for a displayscreen or portion thereof with graphical user interface, as shown and described.
A portion of the disclosure of this patent document contains material to which a claim for copyright is made. The copyright owner has no objection to the facsimile reproduction by anyone of the patent document or the patent disclosure, as it appears in the Patent and Trademark Office patent file or records, but reserves all other copyrights whatsoever. The FIGURE is a front view of a display screen or portion thereof with graphical user interface showing my design.
The broken lines shown represent unclaimed subject matter and form no part of the claimed design. The outer broken line rectangle showing the display screen or portion thereof, and all other broken lines showing portions of the graphical user interface, illustrate portions of the article and form no part of the claimed design.