Perhaps you should try some spelling variations:
"a world lan industry studies" » "a world loan industry studies", "a world can industry studies", "a world learn industry studies", "a world alan industry studies", "a world ilan industry studies", "a world wlan industry studies"
"a world ran country studies" » "a world rank country studies", "a world run country studies", "a world brand country studies", "a world raw country studies", "a world range country studies", "a world raven country studies"

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: (("a world ran country studies") OR ("a world lan industry studies")).
• Removing quotes may allow a broader search: (( a world ran country studies ) or ( a world lan industry studies )).
• Adding a wildcard symbol may retrieve word variants: (("a world ran country studies") or ("a world lan industry studies"))*.