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