Perhaps you should try some spelling variations:
"the computation using active error" » "the computations using active error" (Expand search), "the computation in active error" (Expand search), "the composition using active error" (Expand search), "the computational using active error" (Expand search), "the computation using adaptive error" (Expand search), "the computation using refractive error" (Expand search), "the computation using active earth" (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: "((\"the computation using active error\") OR (\"using coding python python programming\"))~".
• Removing quotes may allow a broader search: (( the computation using active error ) OR ( using coding python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("the computation using active error") OR ("using coding python python programming"))*.