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