BI content queries not found

Hi,

I am searching for BI content queries:

0PUR_O01_Q0019: Buying Price Variances

0PUR_O01_Q0020: Contract Information

0PUR_O01_Q0021: Contract Spend

where 0PUR_O01(Purchase Order Items )is Infoprovider .

But I am not getting these queries.

Please let me know,How to check and get them.

Thanks .

Tulasi