Perhaps you should try some spelling variations:
"wage and hardy inequalities" » "wage and valid inequalities"
"wage and hardy inequality" » "wage and hardy's inequality", "wage and harnack inequality"
"wage and earnings inequality" » "wage and learning inequality", "wage and warning 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 hardy inequality") OR ("wage and hardy inequalities"))) OR ("wage and earnings inequality")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"wage and hardy inequality\") OR (\"wage and hardy inequalities\"))) or (\"wage and earnings inequality\"))".
• Removing quotes may allow a broader search: (((( wage and hardy inequality ) OR ( wage and hardy inequalities ))) or ( wage and earnings inequality )).
• Adding a wildcard symbol may retrieve word variants: (((("wage and hardy inequality") OR ("wage and hardy inequalities"))) or ("wage and earnings inequality"))*.