Calculated fields can't override the same value, so because [geo] = "Greater China" THEN "China" you cant then override this and call it "Global" inside the same calculated field. You might need a second value to switch between the results you are looking for - i.e.
if [geo] = "Greater China" and [view] = "1" then "China"
if [geo] = "Greater China" and [view] = "2" then "Global"
Could you please attach your sample data as twbx format and clarify/illustrate you expectations