The phrase "specific kind" means a particular type or category of something. It refers to a unique and distinct group or class within a broader category. Full definition
You can also select icon flags to be used to mark your own set of specific kinds of events. (millenniumdivorce.com)
Instead, he said that the new chip, in conjunction with other chips, can be used for very specific kinds of machine learning techniques, although he didn't elaborate further. (fortune.com)
Reviews could only matter if you could look for specific kinds of reviewers with similar taste to yours, but there's no such system implemented. (gonintendo.com)