Perhaps you should try some spelling variations:
rank industry » bank industry, drink industry, track industry
ran country » rank country, run country, brand country
world rank » world frank, world range, world risk
world ran » world raw, world range, world raven

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: (( a world rank industry studies ) OR ( a world ran country studies )).
• Adding a wildcard symbol may retrieve word variants: (( a world rank industry studies ) or ( a world ran country studies ))*.