Perhaps you should try some spelling variations:
"coder coder examining convex programming" » "coder coder examining cone programming" (Expand search), "coder coder examining computer programming" (Expand search), "coder coder examining consumer programming" (Expand search), "coder coder examining border programming" (Expand search), "coder career examining convex programming" (Expand search), "coder car examining convex programming" (Expand search), "coder coord examining convex programming" (Expand search), "coder decoder examining convex programming" (Expand search), "code code examining convex programming" (Expand search), "decoder codec examining convex programming" (Expand search)
"_ python python python programming" » "_ pythons python python programming" (Expand search), "_ piton python python programming" (Expand search), "_ pitons python python programming" (Expand search)

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("coder coder examining convex programming") OR ("_ python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder examining convex programming\") OR (\"_ python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder examining convex programming ) OR ( _ python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder examining convex programming") OR ("_ python python python programming"))*.