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)
"based computational fft computing program" » "and computational fft computing program" (Expand search), "by computational fft computing program" (Expand search), "based computational foot computing program" (Expand search), "based computational fact computing program" (Expand search), "based computational art computing program" (Expand search), "based computational fft consulting program" (Expand search), "based computational fft computador program" (Expand search), "based computational fft computer programs" (Expand search), "based computational soft computing program" (Expand search), "based computational fog computing program" (Expand search), "based computational of computing program" (Expand search)

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"using computational and computer program\") OR (\"based computational fft computing program\"))~".
• Removing quotes may allow a broader search: (( using computational and computer program ) OR ( based computational fft computing program ))~.
• Adding a wildcard symbol may retrieve word variants: (("using computational and computer program") OR ("based computational fft computing program"))*.