Perhaps you should try some spelling variations:
"using functions using testing program" » "using functional using testing program" (Expand search), "ing functions using testing program" (Expand search), "testing functions using testing program" (Expand search), "using function using testing program" (Expand search), "using reactions using testing program" (Expand search), "using functions using testing programs" (Expand search), "using functions using teaching program" (Expand search), "using functions using visiting program" (Expand search), "using functions using resting program" (Expand search), "using functions using nesting program" (Expand search), "using functions ring testing program" (Expand search)
"using python python python programming" » "using pythons python python programming" (Expand search), "using piton python python programming" (Expand search), "using pitons python python programming" (Expand search), "usando python python python programming" (Expand search), "in python 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 testing program\") OR (\"using python python python programming\"))~".
• Removing quotes may allow a broader search: (( using functions using testing program ) OR ( using python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("using functions using testing program") OR ("using python python python programming"))*.