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