The filter operations have been unified across the "Skills," "Qualifications," "Members," and "Achievement" tabs of the Skill Map.
Select your conditions together via "Filter Condition Settings" next to the search bar, then press "Apply" to reflect them in the table.
Active conditions are displayed under "Current Conditions" above the table, and can be removed one by one with "-".
Related:
Check the skill map
https://teachme.jp/8/manuals/50054111
Check achievement status
https://teachme.jp/8/manuals/50594583