Perhaps you should try some spelling variations:
"python code python python programming" » "python code pythons python programming" (Expand search), "python code piton python programming" (Expand search), "python code pitons python programming" (Expand search), "python codigo python python programming" (Expand search), "python pacote python python programming" (Expand search)
"coder coding and linear programming" » "modern coding and linear programming" (Expand search), "color coding and linear programming" (Expand search), "odor coding and linear programming" (Expand search), "coder coding rna linear programming" (Expand search), "coder coding and nonlinear 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 coding and linear programming") OR ("python code python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coding and linear programming\") OR (\"python code python python programming\"))*".
• Removing quotes may allow a broader search: (( coder coding and linear programming ) OR ( python code python python programming ))*.