Perhaps you should try some spelling variations:
"coder coder learning convex programming" » "coder coder learning cone programming" (Expand search), "coder coder learning computer programming" (Expand search), "coder coder learning context programming" (Expand search), "coder coder learning contexts programming" (Expand search), "coder coder learning content programming" (Expand search), "coder codes learning convex programming" (Expand search), "coder modern learning convex programming" (Expand search), "coder model learning convex programming" (Expand search), "coder decoder learning convex programming" (Expand search), "code code learning convex programming" (Expand search), "decoder codec learning 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 learning convex programming") OR ("_ python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder learning convex programming\") OR (\"_ python python python programming\"))*".
• Removing quotes may allow a broader search: (( coder coder learning convex programming ) OR ( _ python python python programming ))*.