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