Bu işi yapan bir program vardı, arşivime bakayım ama söz vermiyorum.
Anahtar kelimeyi yazıp ara diyince ilgili tüm wp siteleri buluyordu.

Şu şekilde bulablirsiniz (ingilizce siteler için ama arama genişletilebilir. Cevaplama yazıları vs Türkçe yazılıp sorgulanabilir. com,net v.s uzantılar denenebilir.)

site:.edu “powered by wordpress” “leave a comment” | “leave a post” | “leave a reply”-”comments off” | -”comments are closed”

site:.gov “powered by wordpress” “leave a comment” | “leave a post” | “leave a reply”-”comments off” | -”comments are closed”

site:.edu intitle:{keyword} “powered by wordpress” “leave a comment” |  “leave a post” | “leave a reply”-”comments off” | -”comments are closed”

site:.com “powered by wordpress” “leave a comment” | “leave a post” | “leave a reply”-”comments off” | -”comments are closed”

site:.net “powered by wordpress” “leave a comment” | “leave a post” | “leave a reply”-”comments off” | -”comments are closed”

site:.org “powered by wordpress” “leave a comment” | “leave a post” | “leave a reply”-”comments off” | -”comments are closed”