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)
"coder coder task linear programming" » "coder decoder task linear programming" (Expand search), "code code task linear programming" (Expand search), "decoder codec task linear programming" (Expand search), "coder coder risk linear programming" (Expand search), "coder model task linear programming" (Expand search), "coder under task linear 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 task linear programming") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder task linear programming\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder task linear programming ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder task linear programming") OR ("api python python python programming"))*.