Your search +path:dtls_pki +path:. +path:pki_key +path:. +path:key +path:. +path:pem +path:. +path:public_cert did not match any files.
Suggestions:

• Make sure all terms are spelled correctly.
• Try different keywords.
• Try more general keywords.
• Use 'wil*' cards if you are looking for partial match.