Perhaps you should try some spelling variations:
code complexity » case complexity (Expand search), care complexity (Expand search), the complexity (Expand search)
models vpython » modeling vpython (Expand search), modulo python (Expand search)
vpython python » python python (Expand search), pythons python (Expand search), piton python (Expand search)
using models » using model (Expand search), ising models (Expand search), nursing models (Expand search)
coder code » code code (Expand search), modern code (Expand search), color code (Expand search)

You may be able to get more results by adjusting your search query.

• Removing quotes may allow a broader search: (( coder code complexity control program ) OR ( using models vpython python programming ))~.