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