Perhaps you should try some spelling variations:
"lean implementation python python programming" » "lean implementation method python programming" (Expand search), "lean implementation methods python programming" (Expand search), "lean implementation plan python programming" (Expand search), "an implementation python python programming" (Expand search), "and implementation python python programming" (Expand search), "design implementation python python programming" (Expand search), "lean implementation pythons python programming" (Expand search), "lean implementation piton python programming" (Expand search), "lean implementation pitons python programming" (Expand search)
"python code java python programming" » "python codes java python programming" (Expand search), "python xcode java python programming" (Expand search), "python ide java 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: (("lean implementation python python programming") OR ("python code java python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"lean implementation python python programming\") OR (\"python code java python programming\"))*".
• Removing quotes may allow a broader search: (( lean implementation python python programming ) OR ( python code java python programming ))*.