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