Wordpress Category Problem

I have created 10 category and placed on sidebar, but i seen there is apperaing only 8 category rest of 2 are not there.

When i add a page or topic than there is a option on the category list which category you want to choose to submit this article.

I need your help please help. :bow:

Here is my website link where i am getting problem www.schooloftutorials.com


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