Perhaps you should try some spelling variations:
"lungs / diseases, instructive" » "lungs / diseases, constructive", "lungs / diseases, destructive", "lungs / diseases, instructions"
"lungs / diseases, instruction" » "lungs / diseases, instructions", "lungs / diseases, construction"
"lung / disease, instruction" » "lung / disease, instructions", "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 ((("lungs / diseases, instruction") OR ("lung / disease, instruction")))).
• Removing quotes may allow a broader search: (( lungs / diseases, instructive ) or ((( lungs / diseases, instruction ) or ( lung / disease, instruction )))).
• Adding a wildcard symbol may retrieve word variants: (("lungs / diseases, instructive") or ((("lungs / diseases, instruction") or ("lung / disease, instruction"))))*.