Perhaps you should try some spelling variations:
"coder function variable diffusive model" » "coder function variable diffusion model" (Expand search), "coder function variable diffusivity model" (Expand search), "coder function variance diffusion model" (Expand search), "coder functional variables diffusive model" (Expand search), "coder function variants diffusive model" (Expand search), "coder function variant diffusive model" (Expand search), "coder function variable diffusive models" (Expand search), "coder function variable diffusion models" (Expand search), "modern function variable diffusive model" (Expand search), "power function variable diffusive model" (Expand search), "over function variable diffusive model" (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 function variable diffusive model") OR ("using coding python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder function variable diffusive model\") OR (\"using coding python python programming\"))*".
• Removing quotes may allow a broader search: (( coder function variable diffusive model ) OR ( using coding python python programming ))*.