Perhaps you should try some spelling variations:
"testing computation using computational code" » "testing imputation using computational code" (Expand search), "testing population using computational code" (Expand search), "testing mutation using computational code" (Expand search), "testing computation and computational code" (Expand search), "testing computation using computational model" (Expand search), "testing computation using computational cost" (Expand search), "testing computation using computational models" (Expand search), "testing computations using computational code" (Expand search), "testing computation in computational code" (Expand search), "testing composition using computational code" (Expand search)
"using in python python programming" » "using in pythons python programming" (Expand search), "using in piton python programming" (Expand search), "using in pitons python programming" (Expand search), "using _ 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 computation using computational code\") OR (\"using in python python programming\"))~".
• Removing quotes may allow a broader search: (( testing computation using computational code ) OR ( using in python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("testing computation using computational code") OR ("using in python python programming"))*.