Magento 1.9 doesn't show new products on backend

I've a problem on backend of Magento 1.9 when I create new product simple/bundle there is not new product on backend but if I check on table catalog_product_entity it's exsist. I tried to truncate catalog_product_flat without success. No error log on apache, no log error on mysql no log error on system.
Someone able to check and fix it?