Perhaps you should try some spelling variations:
"lungs / diseases, instructive" » "lungs / diseases, instruction", "lungs / diseases, destructive", "lungs / diseases, instructions"
"lung / diseases, constructive" » "lung / diseases, construction", "lung / diseases, constructions", "lung / diseases, construct"
"lung / disease, constructing" » "lung / disease, construction"

Try widening your search to All Fields.

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: (("lungs / diseases, instructive") OR ((("lung / diseases, constructive") OR ("lung / disease, constructing")))).
• Removing quotes may allow a broader search: (( lungs / diseases, instructive ) or ((( lung / diseases, constructive ) or ( lung / disease, constructing )))).
• Adding a wildcard symbol may retrieve word variants: (("lungs / diseases, instructive") or ((("lung / diseases, constructive") or ("lung / disease, constructing"))))*.