Perhaps you should try some spelling variations:
"and computational python computer program" » "and computacional python computer program" (Expand search), "and computacional vpython computer program" (Expand search), "and computacionais python computer program" (Expand search), "_ computational python computer program" (Expand search)
"based computational java computer program" » "by computational java computer program" (Expand search), "based computacional java computer program" (Expand search), "based computational data computer program" (Expand search), "based computational and 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: (("based computational java computer program") OR ("and computational python computer program"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"based computational java computer program\") OR (\"and computational python computer program\"))".
• Removing quotes may allow a broader search: (( based computational java computer program ) OR ( and computational python computer program )).
• Adding a wildcard symbol may retrieve word variants: (("based computational java computer program") OR ("and computational python computer program"))*.