How add more Indexes Organizations in the Task - Manage Item Keyword Search Attributes task

Summary

How add more Indexes Organizations in the Task - Manage Item Keyword Search Attributes task

Content

Please let me know how to add More Indexes Organization in the Task- "Manage Item Keyword Search Attributes". Is it the way to Search, so that it gets added automatically ? Is there a manually way to add Organizations ?

Thanks,

Aravind