@ micksarecool, it it possible to teach her what you want by communicating with hand signals and your eyes. Start practicing by showing her a toy and putting it within reach but where she would have to stretch to get it. (For example, on top of a flat surface) Have her sit first. Then once you have her attention look at her and look at the toy. Keep doing this until she goes to get the toy.
You can also practice this with the command lay down. From sit you can look at her, then look at the ground. Next, holding your hand flat with your palm facing the ground, lower your hand downward in front of her. Next, look at her and then look at the ground. Repeat until she lays down.
When you do these exercises, visualize what you want her to do. With enough practice, she will learn to obey your eye signals. Always praise her, even if it seems like her response was a long time coming.
One common example of how dogs use their eyes to communicate is how dogs will look at their human and look toward food they want or towards a door if they need to relief themselves.
Keep us posted on her progress!