Perhaps you should try some spelling variations:
code complexity » case complexity (Expand search), care complexity (Expand search), the complexity (Expand search)
desing teaching » design teaching (Expand search), during teaching (Expand search), doing teaching (Expand search)
teaching python » learning python (Expand search), teaching path (Expand search), teaching paths (Expand search)
python python » pythons python (Expand search), piton python (Expand search), pitons python (Expand search)
code code » code cdc (Expand search), code co (Expand search)

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

• Removing quotes may allow a broader search: (( code code complexity control program ) OR ( desing teaching python python programming ))~.