私が管理している顧客は、既存のに進められてきたプロジェクトの追加量の商

私が管理している顧客は、既存のに進められてきたプロジェクトの追加量の商品を購入するだけで、新規プロジェクトのために購入はしていない。

Results (English) 1:

Customers I have managed the existing just to purchase additional amount of project has been underway, not a purchase for the new project.

Results (English) 2:

customers that I have managed, just to purchase an additional amount of the product of the project, which has been promoted to the existing of, do not buy for a new project.

Results (English) 3:

I'm the customer management, the purchase of the additional amount of the project has been to existing products, not only for the purchase of a new project.