Perhaps you should try some spelling variations:
"testing functions by creating program" » "testing functional by creating program" (Expand search), "iterating functions by creating program" (Expand search), "teaching functions by creating program" (Expand search), "testing functions by breathing program" (Expand search), "testing functions by reading program" (Expand search), "testing functions by breading program" (Expand search), "testing functions _ creating program" (Expand search), "testing functions and creating program" (Expand search), "testing functions of creating program" (Expand search), "testing functions co creating 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: "((\"testing functions by creating program\") OR (\"using coding python python programming\"))~".
• Removing quotes may allow a broader search: (( testing functions by creating program ) OR ( using coding python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("testing functions by creating program") OR ("using coding python python programming"))*.