Filter with Text for multicoulumn in measure

I am able to get count for blank records from two columns but not able from another value exists record

BlankCountmeasure =

CALCULATE(COUNTBLANK('data'[level 2]),FILTER('data','APM_data'[level 1]= "Customer Relationship Management"))

Not working measure as below

FieldEngineerCountMeasure =

CALCULATE(COUNT('data'[level 2]),FILTER('data','APM_data'[level 1]= "Manager")

,FILTER('data','APM_data'[level 2]= "FieldEngineer"))

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