Perhaps you should try some spelling variations:
on programming » in programming (Expand search), cone programming (Expand search), and programming (Expand search)
model objects » models objects (Expand search), model object (Expand search), novel objects (Expand search)
python python » pythons python (Expand search), piton python (Expand search), pitons python (Expand search)
coder model » cover model (Expand search), decoder model (Expand search), copper model (Expand search)
objects on » objects in (Expand search), objects of (Expand search), objects and (Expand search)

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

• Removing quotes may allow a broader search: (( coder model objects on programming ) OR ( _ python python python programming ))~.