Perhaps you should try some spelling variations:
"particles interconnection" » "partial interconnection", "parallel interconnection", "particles interaction"
"partial interconnections" » "partial interconnection", "optical interconnections", "mail interconnections"

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 ("particles interconnection")).
• Removing quotes may allow a broader search: (( partial interconnections ) or ( particles interconnection )).
• Adding a wildcard symbol may retrieve word variants: (("partial interconnections") or ("particles interconnection"))*.