Perhaps you should try some spelling variations:
"coder coder extending linear programming" » "coder coder extending near programming" (Expand search), "coder coder extended linear programming" (Expand search), "coder coder extending lean programming" (Expand search), "coder or extending linear programming" (Expand search), "coder modules extending linear programming" (Expand search), "coder azores extending linear programming" (Expand search), "coder decoder extending linear programming" (Expand search), "code code extending linear programming" (Expand search), "decoder codec extending linear 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 extending linear programming") OR ("_ python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder extending linear programming\") OR (\"_ python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder extending linear programming ) OR ( _ python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder extending linear programming") OR ("_ python python python programming"))*.