Complex Filter in TCC

Or Condition
<quer:filtering xmlns:quer="http://www.taleo.com/ws/integration/query">
  <quer:and>
    <quer:or>
      <quer:isNotNull>
        <quer:replaceNull>
          <quer:field path="Applications,ProfileInformation,Experiences,Employer,CieEmployer.Description"/>
          <quer:field path="Applications,ProfileInformation,Experiences,OtherEmployerName"/>
        </quer:replaceNull>
      </quer:isNotNull>
      <quer:isNotNull>
        <quer:replaceNull>
          <quer:field path="Applications,ProfileInformation,ApplicationCertifications,Certification,Certification.Description"/>
          <quer:field path="Applications,ProfileInformation,ApplicationCertifications,OtherCertificationName"/>
        </quer:replaceNull>
      </quer:isNotNull>
    </quer:or>
    <quer:isNotNull>
      <quer:replaceNull>
        <quer:field path="Applications,ProfileInformation,Studies,Program,CieProgram.Description"/>
        <quer:field path="Applications,ProfileInformation,Studies,OtherCourseTitle"/>
      </quer:replaceNull>
    </quer:isNotNull>
  </quer:and>
</quer:filtering>