Perhaps you should try some spelling variations:
"using computational testing practical problems" » "using compositional testing practical problems" (Expand search), "using computational tests practical problems" (Expand search), "using computational tinking practical problems" (Expand search), "and computational testing practical problems" (Expand search), "using computational testing operational problems" (Expand search), "using computational testing practices problems" (Expand search), "using computational teaching practical problems" (Expand search), "using computational creating practical problems" (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: "((\"using computational testing practical problems\") OR (\"using coding python python programming\"))~".
• Removing quotes may allow a broader search: (( using computational testing practical problems ) OR ( using coding python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("using computational testing practical problems") OR ("using coding python python programming"))*.