Perhaps you should try some spelling variations:
"wage and garding inequality" » "wage and garding's inequality", "wage and hardy inequality", "wage and hardy's inequality"
"wage and warning inequality" » "wage and learning inequality", "wage and widening inequality", "wage and facing inequality"
"wage and earnings inequality" » "wage and learning inequality"

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: (("wage and garding inequality") OR ((("wage and earnings inequality") OR ("wage and warning inequality")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"wage and garding inequality\") or (((\"wage and earnings inequality\") OR (\"wage and warning inequality\"))))".
• Removing quotes may allow a broader search: (( wage and garding inequality ) or ((( wage and earnings inequality ) OR ( wage and warning inequality )))).
• Adding a wildcard symbol may retrieve word variants: (("wage and garding inequality") or ((("wage and earnings inequality") OR ("wage and warning inequality"))))*.