Perhaps you should try some spelling variations:
modeling vpython » modeling method (Expand search)
computations in » computation in (Expand search), computation of (Expand search), computation and (Expand search)
using modeling » using model (Expand search), using modern (Expand search), using models (Expand search)
vpython python » python python (Expand search), pythons python (Expand search), piton python (Expand search)
house program » course program (Expand search), housing program (Expand search), lease program (Expand search)

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