Perhaps you should try some spelling variations:
"communicate diseases" » "communicable disease", "complicated diseases", "communicate disabled"
"communicated disease" » "communicable disease", "complicated diseases", "communicate state"
"communicate strategy" » "communicative strategy", "communication strategy", "community strategy"

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