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