Perhaps you should try some spelling variations:
"mean absolute scale errors" » "mean absolute space errors", "mean absolute state errors", "mean absolute locate errors", "mean absolute some errors"
"mean absolute state error" » "mean absolute space error", "mean absolute rate error", "mean absolute rates error"

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: (("mean absolute scale errors") OR ("mean absolute state error")).
• Removing quotes may allow a broader search: (( mean absolute scale errors ) or ( mean absolute state error )).
• Adding a wildcard symbol may retrieve word variants: (("mean absolute scale errors") or ("mean absolute state error"))*.