I know there is a LookupListItem activity in Visual Studio Workflow for SharePoint 2013. Is there a GetListItems activity, which will return multiple list items based on a filter condition similar to GetListItems method in OM?
Out of the box, SharePoint doesn't have such functionality. I would suggest trying to use 3rd party product Plumsail Workflow Actions Pack it has Get Items by Query workflow action which allows you to this.
I'm one of the developers of the product and I'm proud of this.
PS: Alternatively you always can make REST query to select an items.