Perhaps you should try some spelling variations:
"coder coding coding convex functions" » "coder coding decoding convex functions" (Expand search), "coder coding using convex functions" (Expand search), "coder coding canine convex functions" (Expand search), "coder coding coding over functions" (Expand search), "coder coding encoding context functions" (Expand search), "modern coding coding convex functions" (Expand search), "color coding coding convex functions" (Expand search), "odor coding coding convex functions" (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 coding coding convex functions") OR ("_ python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coding coding convex functions\") OR (\"_ python python python programming\"))*".
• Removing quotes may allow a broader search: (( coder coding coding convex functions ) OR ( _ python python python programming ))*.