Perhaps you should try some spelling variations:
"coder coding loop convex programming" » "coder coding loop cone programming" (Expand search), "coder coding loop computer programming" (Expand search), "modern coding loop convex programming" (Expand search), "color coding loop convex programming" (Expand search), "odor coding loop convex programming" (Expand search), "coder coding tools 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.

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