A number of filtering controls are provided at the top of the tool. Individual selections are possible in the various drop-downs, multiple combinations of filters can be selected using the Filters dialog.
Filters Button
The Filters... button opens the Filters dialog, where you can select multiple combinations of filters.
The Filters Dialog
Modifier drop-down
The Modifier drop-down filters the symbol list according to modifiers. Note that this includes also implicit modifiers, e.g., overriding or overloaded methods.
Filter field
Enter a regular expression here and hit