Perhaps you should try some spelling variations:
"using functions using cad program" » "using functional using cad program" (Expand search), "ing functions using cad program" (Expand search), "testing functions using cad program" (Expand search), "using function using cad program" (Expand search), "using reactions using cad program" (Expand search), "using functions using cad programa" (Expand search), "using functions using cd program" (Expand search), "using functions using ced program" (Expand search), "using functions using cfd program" (Expand search), "using functions using c 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: "((\"using functions using cad program\") OR (\"using coding python python programming\"))~".
• Removing quotes may allow a broader search: (( using functions using cad program ) OR ( using coding python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("using functions using cad program") OR ("using coding python python programming"))*.