Perhaps you should try some spelling variations:
"using computational python computer program" » "using computacional python computer program" (Expand search), "using computacional vpython computer program" (Expand search), "using computacionais python computer program" (Expand search), "and computational python computer program" (Expand search)
"advanced duplication in computer program" » "advanced application in computer program" (Expand search), "advanced applications in computer program" (Expand search), "advanced glication in computer program" (Expand search), "advanced replication in computer program" (Expand search), "advanced implication in computer program" (Expand search), "advanced duplication _ computer program" (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: (("advanced duplication in computer program") OR ("using computational python computer program"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"advanced duplication in computer program\") OR (\"using computational python computer program\"))".
• Removing quotes may allow a broader search: (( advanced duplication in computer program ) OR ( using computational python computer program )).
• Adding a wildcard symbol may retrieve word variants: (("advanced duplication in computer program") OR ("using computational python computer program"))*.