Perhaps you should try some spelling variations:
"communicate diseases" » "complicated diseases", "communicate disabled", "communicate discover"
"communicated disease" » "complicated diseases", "communicate state", "communicated vision"
"communications over" » "communication over", "communications server"

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: (((("communicate diseases") OR ((("communications over") OR ("communicated disease"))))) OR ((("communicable diseases") OR ("communicable disease")))).
• Removing quotes may allow a broader search: (((( communicate diseases ) or ((( communications over ) or ( communicated disease ))))) or ((( communicable diseases ) or ( communicable disease )))).
• Adding a wildcard symbol may retrieve word variants: (((("communicate diseases") or ((("communications over") or ("communicated disease"))))) or ((("communicable diseases") or ("communicable disease"))))*.