Perhaps you should try some spelling variations:
"based computation using completion problem" » "based computation using collection problem" (Expand search), "based computation using complex problem" (Expand search), "based computation using conduction problem" (Expand search), "based computational using completion problem" (Expand search), "based competition using completion problem" (Expand search), "based compilation using completion problem" (Expand search), "based computations using completion problem" (Expand search), "based computation in completion problem" (Expand search), "based composition using completion problem" (Expand search), "based computation using compilation problem" (Expand search), "based computation using compression problem" (Expand search), "based computation using complete problem" (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.

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