Perhaps you should try some spelling variations:
"by computation using active testing" » "by computations using active testing" (Expand search), "by computation in active testing" (Expand search), "by composition using active testing" (Expand search), "by computational using active testing" (Expand search), "of computation using active testing" (Expand search), "_ computation using active testing" (Expand search), "by computation using active heating" (Expand search), "by computation using adaptive testing" (Expand search), "by computation using active teaching" (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: (("by computation using active testing") OR ("using coding python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"by computation using active testing\") OR (\"using coding python python programming\"))".
• Removing quotes may allow a broader search: (( by computation using active testing ) OR ( using coding python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("by computation using active testing") OR ("using coding python python programming"))*.