Perhaps you should try some spelling variations:
"coder coder model convex programming" » "coder coder model cone programming" (Expand search), "coder coder model computer programming" (Expand search), "coder coder model context programming" (Expand search), "coder coder model concept programming" (Expand search), "coder coder model complex programming" (Expand search), "coder decoder model convex programming" (Expand search), "code code model convex programming" (Expand search), "decoder codec model convex programming" (Expand search), "coder cover model convex programming" (Expand search), "coder copper model 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 coder model convex programming\") OR (\"_ python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coder model convex programming ) OR ( _ python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coder model convex programming") OR ("_ python python python programming"))*.