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