Bad appearance of Products in Vendor Store Page

The products appear in the vendor store page in a long and narrow shape, which is not good. How can you make it to appear nice as they do in the normal shop search?

can you please help?

see please attached snapshots:

https://imggmi.com/full/2019/12/30/5ae40c7b80b9a1e22cb4655c43cec89b-full.png.html

https://imggmi.com/full/2019/12/30/ad3ff48c1ff1c343365342b0fc02819c-full.png.html