Perhaps you should try some spelling variations:
"coder propagation on function program" » "mode propagation on function program" (Expand search), "model propagation on function program" (Expand search), "modes propagation on function program" (Expand search), "coder propagation on functional program" (Expand search), "coder propagation on function programac" (Expand search), "coder propagation on functional programs" (Expand search), "coder propagation of function program" (Expand search), "coder propagation in function program" (Expand search), "coder propagation and function program" (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.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder propagation on function program\") OR (\"using coding python python programming\"))~".
• Removing quotes may allow a broader search: (( coder propagation on function program ) OR ( using coding python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder propagation on function program") OR ("using coding python python programming"))*.