Perhaps you should try some spelling variations:
"coder coder lesson linear programming" » "coder coder hessian linear programming" (Expand search), "coder coder design linear programming" (Expand search), "coder older lessons linear programming" (Expand search), "coder modelo lesson linear programming" (Expand search), "coder video lesson linear programming" (Expand search), "coder decoder lesson linear programming" (Expand search), "code code lesson linear programming" (Expand search), "decoder codec lesson linear 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 lesson linear programming") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder lesson linear programming\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder lesson linear programming ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder lesson linear programming") OR ("api python python python programming"))*.