Perhaps you should try some spelling variations:
"and computational vpython computer program" » "and computacional vpython computer program" (Expand search), "and computacional python computer program" (Expand search), "and computational method computer program" (Expand search), "_ computational vpython computer program" (Expand search), "and computational python computer program" (Expand search), "and computational vision computer program" (Expand search)
"in python python python programming" » "in pythons python python programming" (Expand search), "in piton python python programming" (Expand search), "in pitons python python programming" (Expand search), "_ python 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: "((\"and computational vpython computer program\") OR (\"in python python python programming\"))~".
• Removing quotes may allow a broader search: (( and computational vpython computer program ) OR ( in python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("and computational vpython computer program") OR ("in python python python programming"))*.