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