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