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