Perhaps you should try some spelling variations:
"testing function testing computer program" » "testing functions testing computer program" (Expand search), "testing functional testing computer program" (Expand search), "testis function testing computer program" (Expand search), "testing function tests computer program" (Expand search), "testing function test computer program" (Expand search), "testing function teaching computer program" (Expand search), "testing function using computer program" (Expand search), "testing function learning computer 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: (("testing function testing computer program") OR ("using coding python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"testing function testing computer program\") OR (\"using coding python python programming\"))".
• Removing quotes may allow a broader search: (( testing function testing computer program ) OR ( using coding python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("testing function testing computer program") OR ("using coding python python programming"))*.