Get your taxes done using TurboTax

I am assuming you are getting a $6000 Child Tax Credit (CTC) for having 3 qualifying child dependents.  The max CTC is $2K per dependent.   That credit is different from the Child and Dependent Care Credit (CDCC) which is for childcare expenses.  You can get both of those credits if you had childcare expenses for a qualifying child.   The max CDCC is $2,100 (35% of $6K). 

Go back through the Child and Dependent Care Credit section and make sure you have entered all of your expenses and information from each of your care providers; you have to provide either an EIN or SSN for each care provider.   Check birthdates entered in the Personal Info section; they have to be 12 or younger.   Also, the Dependent Care Credit is nonrefundable, meaning you have to have a tax liability to benefit from it.    Also make sure you have earned income applied to both of you - sometimes both w-2s get entered under the same person which makes TurboTax think only one of you worked.  

The Ins and Outs of the Dependent Care Credit - See the important Other Requirements at the bottom.