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

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 ( lungs / diseases, constructive )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((( lungs / diseases, instructive ) OR ( lungs / diseases, instruction ))) or ( lungs / diseases, constructive ))".
• Adding a wildcard symbol may retrieve word variants: (((( lungs / diseases, instructive ) OR ( lungs / diseases, instruction ))) or ( lungs / diseases, constructive ))*.