Perhaps you should try some spelling variations:
"tobacco industry practice" » "tobacco industrial practice", "tobacco industry prices", "tobacco industry perspective"
"tobacco industry papers" » "tobacco industrial papers", "tobacco industry part"

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: (("tobacco industry practice") OR ("tobacco industry papers")).
• Removing quotes may allow a broader search: (( tobacco industry practice ) or ( tobacco industry papers )).
• Adding a wildcard symbol may retrieve word variants: (("tobacco industry practice") or ("tobacco industry papers"))*.