Perhaps you should try some spelling variations:
"coder coder simple convex programming" » "coder coder simple cone programming" (Expand search), "coder coder simple computer programming" (Expand search), "coder coder simple bone programming" (Expand search), "coder coder simple comme programming" (Expand search), "coder coder some convex programming" (Expand search), "coder coeur simple convex programming" (Expand search), "coder over simple convex programming" (Expand search), "coder modelo simple convex programming" (Expand search), "coder decoder simple convex programming" (Expand search), "code code simple convex programming" (Expand search), "decoder codec simple 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 simple convex programming") OR ("_ python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder simple convex programming\") OR (\"_ python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder simple convex programming ) OR ( _ python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder simple convex programming") OR ("_ python python python programming"))*.