i'm confused that tso can't list all the members of a library.
Me too - mine shows all members
Unless you have specified otherwise, all member names should be shown.
To get much help, you need to post something for us to use to help. . .
Where are you in tso/ispf that only some members show?
Using the Code tag, copy/paste the problem screen. Use Preview to see your post as it will appear to the forum. Do not post an attachment of a screenshot.