プログラム技術(tech)板の過去ログ検索
https://www.google.it/search?hl=jp&;q=site:2ch.net/test/read.cgi/tech/+検索語句
https://www.google.it/search?hl=jp&;q=site:5ch.net/test/read.cgi/tech/+検索語句

https://duckduckgo.com/bang?q=google
https://ja.wikipedia.org/wiki/ISO_3166-1