Perhaps you should try some spelling variations:
"coder propagation in of program" » "mode propagation in of program" (Expand search), "model propagation in of program" (Expand search), "modes propagation in of program" (Expand search), "coder propagation of of program" (Expand search), "coder propagation in of programs" (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: (("coder propagation in of program") OR ("using coding python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder propagation in of program\") OR (\"using coding python python programming\"))*".
• Removing quotes may allow a broader search: (( coder propagation in of program ) OR ( using coding python python programming ))*.