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