As it stands now, under "Plan configuration >> Dependencies" tab there is a "Child plans" dropdown menu that:

• uses a special character to separate Project and Plans (i.e.: MyProject › MyPlan)

  ›
  ›
  ›)
  

• only list 10 results

This also occurs on Create deployment project (newDeploymentProjectDetails) and Update deployment project (configureDeploymentProjectDetails).

Instead, it would be easier to search if:

• no special characters were used
• dropdown list was scrollable

Workaround

Right-click on the dropdown menu and open "Inspect Element" in Chrome, for example. This action will provide you with the following:

you will be able to copy the information you are looking for (in green, Project › To Production A)