Perhaps you should try some spelling variations:
convex programming » cone programming (Expand search), computer programming (Expand search)
negative convex » negative contexts (Expand search), negative content (Expand search), negative core (Expand search)
coder negative » node negative (Expand search), under negative (Expand search), order negative (Expand search)
python python » pythons python (Expand search), piton python (Expand search), pitons python (Expand search)
coder coder » coder decoder (Expand search), code code (Expand search), decoder codec (Expand search)

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

• Removing quotes may allow a broader search: (( coder coder negative convex programming ) OR ( api python python python programming ))~.