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