Perhaps you should try some spelling variations:
"using computational coder execution problem" » "and computational coder execution problem" (Expand search), "using computational code execution problem" (Expand search), "using computational codes execution problem" (Expand search), "using computational model execution problem" (Expand search), "using computational coder execution problems" (Expand search), "using computational coder evolution problem" (Expand search), "using computational coder execution parole" (Expand search), "using computational over execution problem" (Expand search)
"using 3d vpython python programming" » "using 3d python python programming" (Expand search), "using 3d pythons python programming" (Expand search), "using 3d piton python programming" (Expand search)

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("using computational coder execution problem") OR ("using 3d vpython python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"using computational coder execution problem\") OR (\"using 3d vpython python programming\"))".
• Removing quotes may allow a broader search: (( using computational coder execution problem ) OR ( using 3d vpython python programming )).
• Adding a wildcard symbol may retrieve word variants: (("using computational coder execution problem") OR ("using 3d vpython python programming"))*.