When clicking "further results" for the first time, the "next" link for results 1-20 on the Semantic Search page is loaded with an offset of 0, which basically just reloads results 1-20 again (login with Demo/test):
If you click "next" a second time after it reloads, then it finally shows results 21-40, using the correct offset value of 20:
Version: unspecified
Severity: normal