Perhaps you should try some spelling variations:
"partial interconnections" » "particles interconnection", "optical interconnections", "mail interconnections", "particles interconnections", "vertical interconnections", "spiritual interconnections"
"partial interconnection" » "particles interconnection", "vertical interconnection", "spiritual interconnection"
"optical interconnection" » "optical interconnections", "optical interconnects"

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (("partial interconnections") OR ((("partial interconnection") OR ("optical interconnection")))).
• Removing quotes may allow a broader search: (( partial interconnections ) or ((( partial interconnection ) or ( optical interconnection )))).
• Adding a wildcard symbol may retrieve word variants: (("partial interconnections") or ((("partial interconnection") or ("optical interconnection"))))*.