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