Perhaps you should try some spelling variations:
"coder coder affect convex programming" » "coder coder affect cone programming" (Expand search), "coder coder affect computer programming" (Expand search), "coder coder affect concern programming" (Expand search), "coder coder affect bone programming" (Expand search), "coder coder affect cancer programming" (Expand search), "coder cover affect convex programming" (Expand search), "coder order affect convex programming" (Expand search), "coder color affect convex programming" (Expand search), "coder decoder affect convex programming" (Expand search), "code code affect convex programming" (Expand search), "decoder codec affect convex programming" (Expand search)
"on python python python programming" » "on pythons python python programming" (Expand search), "on piton python python programming" (Expand search), "on pitons python python programming" (Expand search), "in python pythin python programming" (Expand search), "of python pythof python programming" (Expand search), "_ python pyth_ 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 affect convex programming") OR ("on python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder affect convex programming\") OR (\"on python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder affect convex programming ) OR ( on python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder affect convex programming") OR ("on python python python programming"))*.