Perhaps you should try some spelling variations:
"and computation using solving problems" » "and computations using solving problems" (Expand search), "and computation in solving problems" (Expand search), "and composition using solving problems" (Expand search), "and computational using solving problems" (Expand search), "of computation using solving problems" (Expand search), "and computation using evolving problems" (Expand search), "and computation posing solving problems" (Expand search), "and computation using moving problems" (Expand search)
"using modeling vpython python programming" » "using modeling method python programming" (Expand search), "using model vpython python programming" (Expand search), "using modern vpython python programming" (Expand search), "using models vpython python programming" (Expand search), "using modeling python python programming" (Expand search), "using modeling pythons python programming" (Expand search), "using modeling piton python programming" (Expand search)

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• Performing a fuzzy search may retrieve terms with similar spellings: (("and computation using solving problems") OR ("using modeling vpython python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"and computation using solving problems\") OR (\"using modeling vpython python programming\"))".
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