Perhaps you should try some spelling variations:
"coder coder does convex programming" » "coder coder does cone programming" (Expand search), "coder coder does computer programming" (Expand search), "coder decoder does convex programming" (Expand search), "code code does convex programming" (Expand search), "decoder codec does convex programming" (Expand search), "coder coder does context programming" (Expand search), "coder coder does concern programming" (Expand search), "coder code does convex programming" (Expand search), "coder der does convex programming" (Expand search), "coder over does convex 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 does convex programming") OR ("_ python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder does convex programming\") OR (\"_ python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder does convex programming ) OR ( _ python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder does convex programming") OR ("_ python python python programming"))*.