I am not able filter the list items. Could you plase Aadvise?
With out filter I am able to loop and able to find the no.of items in work log history
Looks like you are in luck: O365 May release - Try the query list action !
Have you looked at the query list action in Nintex. That should get what you need and allow you to set a filter or use no filter to return results.
Just in time: New Release! Nintex Workflow for Office 365
Retrieving data ...