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