Perhaps you should try some spelling variations:
"an introduction python python programming" » "an introduction section python programming" (Expand search), "an introduction earthen python programming" (Expand search), "an introduction methods python programming" (Expand search), "an introduction pythons python programming" (Expand search), "an introduction piton python programming" (Expand search), "an introduction pitons python programming" (Expand search)
"coder functions in routine program" » "power functions in routine program" (Expand search), "order functions in routine program" (Expand search), "colour functions in routine program" (Expand search), "coder functions in online program" (Expand search), "coder functions in routine programming" (Expand search), "coder functions in routine mammogram" (Expand search), "coder functions _ routine program" (Expand search), "coder functions of routine program" (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 functions in routine program") OR ("an introduction python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder functions in routine program\") OR (\"an introduction python python programming\"))".
• Removing quotes may allow a broader search: (( coder functions in routine program ) OR ( an introduction python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder functions in routine program") OR ("an introduction python python programming"))*.