Perhaps you should try some spelling variations:
"and computational java computer program" » "and computacional java computer program" (Expand search), "and computational data computer program" (Expand search), "and computational and computer program" (Expand search), "_ computational java computer program" (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)

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 java computer program\") OR (\"using modeling vpython python programming\"))~".
• Removing quotes may allow a broader search: (( and computational java computer program ) OR ( using modeling vpython python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("and computational java computer program") OR ("using modeling vpython python programming"))*.