Perhaps you should try some spelling variations:
"and implementation grid computing program" » "and implementation guide computing program" (Expand search), "and implementation mid computing program" (Expand search), "and implementation and computing program" (Expand search), "and implementation grid consulting program" (Expand search), "and implementation grid computer program" (Expand search), "and implementation grid computador 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 implementation grid computing program\") OR (\"using modeling vpython python programming\"))~".
• Removing quotes may allow a broader search: (( and implementation grid computing program ) OR ( using modeling vpython python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("and implementation grid computing program") OR ("using modeling vpython python programming"))*.