Perhaps you should try some spelling variations:
"coder pollution modelling example program" » "coder propagation modelling example program" (Expand search), "coder pollution monitoring example program" (Expand search), "coder deposition modelling example program" (Expand search), "copper pollution modelling example program" (Expand search), "coder solution modelling example program" (Expand search), "bodies pollution modelling example 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.

• Performing a fuzzy search may retrieve terms with similar spellings: (("coder pollution modelling example program") OR ("using coding python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder pollution modelling example program\") OR (\"using coding python python programming\"))*".
• Removing quotes may allow a broader search: (( coder pollution modelling example program ) OR ( using coding python python programming ))*.