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