One term you can sometimes find them under is ‘dual ruled’ notebooks. But generally just looking for alternating grid and ruled can work.
A couple of options
https://www.amazon.com/National-Engineering-Science-Notebook-College/dp/B013TMD4FI
https://www.rainbowresource.com/category/14057/Pacon-Dual-Ruled-Composition-Books-Grid--and--Lined.html