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

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