Looking on the internet deeply has found these results:

he dosen't have it is the most popular phrase on the web.

he do not have it 13 results on the web	he dosen't have it 120,300,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
The VicePresident may do it, but he does not have to. He had the means he needed to not have to do it himself.	It doesn't look like this phrase is very popular! The search could not find any examples on the internet.

he do not have it

13 results on the web

he dosen't have it

120,300,000 results on the web

More popular!

It doesn't look like this phrase is very popular! The search could not find any examples on the internet.