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