Some keyword are in good rank and 3 key not in web

1) keyword:--- energy management system
url http://marathontelecom.net/m-to-m-industrial/energy-management-system.aspx

2)keyword:--- management information system
url http://marathontelecom.net/about-m2m/management-information-system.aspx

3)keyword:--- quality management system
url http://marathontelecom.net/m-to-m-autmobiles-sector/quality-management-system.aspx



Any expert seo challenging