old_contents: from django.contrib import admin
  from MyInfo.models import Department, Mailcode, Building, DirectoryInformation, ContactInformation, MaintenanceNotice
  
  admin.site.register(Department)
  admin.site.register(Mailcode)
  admin.site.register(Building)
  admin.site.register(DirectoryInformation)
  admin.site.register(ContactInformation)
  admin.site.register(MaintenanceNotice)
  
new_contents: from django.contrib import admin
  from MyInfo.models import Department, Mailcode, Building, DirectoryInformation, ContactInformation, MaintenanceNotice
  
  
  class DirectoryInformationAdmin(admin.ModelAdmin):
      search_fields = ['^psu_uuid']
      list_display = ['psu_uuid', 'company', 'telephone', 'fax', 'job_title', 'department', 'office_building',
                      'office_room', 'mail_code', ]
  
  
  class ContactInformationAdmin(admin.ModelAdmin):
      search_fields = ['^psu_uuid']
      list_display = ['psu_uuid', 'cell_phone', 'alternate_email', ]
  
  admin.site.register(Department)
  admin.site.register(Mailcode)
  admin.site.register(Building)
  admin.site.register(DirectoryInformation, DirectoryInformationAdmin)
  admin.site.register(ContactInformation, ContactInformationAdmin)
  admin.site.register(MaintenanceNotice)
subject: Improve model admin searching.