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