Keywords/Search words are not shown correctly

Hi, recently the plugin doesn’t show the list of keywords/search words correctly. See my screenshot

https://i.postimg.cc/P5JwMKT0/Screenshot-9.jpg

The list appears with repeating words from the same IP addresses and time. This is since november.

Is this a known problem and can it be solved?

The page I need help with: [log in to see the link]