Select item activity not hold complete drop down list item

Hi guys
I am facing issue in select item activity where I need to select item from drop down list and there might be a 200 item but the problem is here when i select first time the complete item get added in select item drop down list but next time when I check the drop down list of select item it become less how to resolve this problem.
Is there any other activities which can use to select specific item from dropdown ?


The other option y with dynamic click, making the select of the second click dynamic


you can use the click activity :-
First click Activity is used to open the drop-Down.
Second click activity is used to select the item in drop-down.