How can i do conditional logic using two questions?

If yes and yes, then X

If yes and no, then Y

If no and no, then Z

If no and yes, then A

Conditions can have multiple different conditions that need to be met in order for them to trigger:

https://www.jotform.com/help/57-Smart-Forms-Using-Conditional-Logic

If you want all conditions to be met, set the condition to "All" instead of "Any":