"Disappointing results" refers to outcomes or findings that fall short of what was expected, causing feelings of dissatisfaction or sadness. Full definition
However, the companies pay back your all - out performance with disappointing results in the form of rejection emails or no response at all. (careerladder.sg)
But for some reason I didn't get opportunities after that, even though the team had a string of disappointing results. (arsenalindiasupporters.com)
This is a pretty disappointing result for a device that uses your heart rate to offer insights into sleep and activity. (tomsguide.com)