Perhaps you should try some spelling variations:
"coder coder nonconvex by programming" » "coder coder nonconvex by reprogramming" (Expand search), "coder coder nonconvex _ programming" (Expand search), "coder coder nonconvex c programming" (Expand search), "coder coder nonconvex box programming" (Expand search), "coder coder non convexity programming" (Expand search), "coder coder nonconvex arc programming" (Expand search), "coder decoder nonconvex by programming" (Expand search), "code code nonconvex by programming" (Expand search), "decoder codec nonconvex by 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 nonconvex by programming") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder nonconvex by programming\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder nonconvex by programming ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder nonconvex by programming") OR ("api python python python programming"))*.