Perhaps you should try some spelling variations:
"coder precoder design conic programming" » "coder precoder design logic programming" (Expand search), "coder precoder design cone programming" (Expand search), "coder precoder design convex programming" (Expand search), "coder precoding design conic programming" (Expand search), "coder decoder design conic programming" (Expand search), "coder precoder design chronic programming" (Expand search), "coder precoder design cenico programming" (Expand search), "coder precoder design cons 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 precoder design conic programming") OR ("_ python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder precoder design conic programming\") OR (\"_ python python python programming\"))".
• Removing quotes may allow a broader search: (( coder precoder design conic programming ) OR ( _ python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder precoder design conic programming") OR ("_ python python python programming"))*.