Perhaps you should try some spelling variations:
"coder coding by convex programming" » "coder coding by cone programming" (Expand search), "coder coding by computer programming" (Expand search), "modern coding by convex programming" (Expand search), "color coding by convex programming" (Expand search), "odor coding by convex programming" (Expand search), "coder loading by convex programming" (Expand search), "coder coding _ convex programming" (Expand search), "coder coding of convex programming" (Expand search), "coder coding by context programming" (Expand search)
"via python python python programming" » "via pythons python python programming" (Expand search), "via piton python python programming" (Expand search), "via pitons python python programming" (Expand search), "in python 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 by convex programming") OR ("via python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coding by convex programming\") OR (\"via python python python programming\"))*".
• Removing quotes may allow a broader search: (( coder coding by convex programming ) OR ( via python python python programming ))*.