Perhaps you should try some spelling variations:
"lean implementation of java programing" » "an implementation of java programing" (Expand search), "and implementation of java programing" (Expand search), "design implementation of java programing" (Expand search), "lean implementation of java programming" (Expand search), "lean implementation of java programs" (Expand search), "lean implementation of meta programming" (Expand search), "lean implementation of japan programing" (Expand search)
"using coding python python programming" » "using codigo python python programming" (Expand search), "using codigos python python programming" (Expand search), "using using python python programming" (Expand search), "using coding pythons python programming" (Expand search), "using coding piton python programming" (Expand search), "using coding pitons python programming" (Expand search), "using coping python python programming" (Expand search), "using coating python python programming" (Expand search), "using cooking 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: (("lean implementation of java programing") OR ("using coding python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"lean implementation of java programing\") OR (\"using coding python python programming\"))".
• Removing quotes may allow a broader search: (( lean implementation of java programing ) OR ( using coding python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("lean implementation of java programing") OR ("using coding python python programming"))*.