Perhaps you should try some spelling variations:
"coder coding string conic programming" » "coder coding string logic programming" (Expand search), "coder coding string cone programming" (Expand search), "coder coding string convex programming" (Expand search), "coder coding using conic programming" (Expand search), "coder sewing string conic programming" (Expand search), "coder comparing string conic programming" (Expand search), "modern coding string conic programming" (Expand search), "color coding string conic programming" (Expand search), "odor coding string conic 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 string conic programming\") OR (\"_ python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coding string conic programming ) OR ( _ python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coding string conic programming") OR ("_ python python python programming"))*.