Perhaps you should try some spelling variations:
"using computational on computer program" » "and computational on computer program" (Expand search), "using computational one computer program" (Expand search), "using computacional on computer program" (Expand search), "using computational and computer program" (Expand search), "using computational in computer program" (Expand search), "using computational en computer program" (Expand search)
"advanced modulation code computing program" » "advanced calculation code computing program" (Expand search), "advanced oxidation code computing program" (Expand search), "advanced modulation code consulting program" (Expand search), "advanced modulation code computador program" (Expand search), "advanced modulation code computer programs" (Expand search), "advanced modulation codes computing program" (Expand search), "advanced modulation model computing program" (Expand search), "advanced modulation doped computing program" (Expand search), "advanced modulation models computing program" (Expand search), "advanced modulation modern 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 on computer program\") OR (\"advanced modulation code computing program\"))~".
• Removing quotes may allow a broader search: (( using computational on computer program ) OR ( advanced modulation code computing program ))~.
• Adding a wildcard symbol may retrieve word variants: (("using computational on computer program") OR ("advanced modulation code computing program"))*.